YBf [0] = 0
YBf [1] = 0
YBf [2] = -6
YBf [3] = -9
YBf [4] = -27/2
YBf [5] = -273/4
YBf [6] = -1683/8
YBf [7] = -17625/16
YBf [8] = -129003/32
YBf [9] = -1017825/64
YBf [10] = -7087107/128
YBf [11] = -47478057/256
YBf [12] = -336619227/512
YBf [13] = -2254376625/1024
YBf [14] = -17059513971/2048
YBf [15] = -123488732793/4096
YBf [16] = -4838427982839/40960
YBf [17] = -7380064525953/16384
YBf [18] = -57770883900387/32768
YBf [19] = -2239670688173037/327680
YBf [20] = -3473248410754491/131072
YBf [21] = -134813431242794133/1310720
YBf [22] = -1036985484225404319/2621440
YBf [23] = -40092319525548379761/26214400
YBf [24] = -429145553255286580833/73400320
YBf [25] = -2359136161406040585273/104857600
YBf [26] = -125827754487348700317261/1468006400
YBf [27] = -193168239674263201459803/587202560
YBf [28] = -7361490748640084134005237/5872025600
YBf [29] = -56544743811283283147428287/11744051200
YBf [30] = -2163698419060924396307454033/117440512000
YBf [31] = -3335872075296684389214345591/46976204800
YBf [32] = -128484994139609817607852229913/469762048000
YBf [33] = -142209174301830260814024325437/134217728000
YBf [34] = -7722614431836718373890423274017/1879048192000
YBf [35] = -84181041143654004000431700715281/5261334937600
YBf [36] = -469251443432093744149423424244073/7516192768000
YBf [37] = -128362807993228142240675734661506609/526133493760000
YBf [38] = -40229277595019982884507228198041323/42090679500800
YBf [39] = -7878044761530659996840165808269900281/2104533975040000
YBf [40] = -680291610913451005410723100840323916857/46299747450880000
YBf [41] = -69264103298835126180445176871574925239/1202590842880000
YBf [42] = -41883260360576270163920968676470865353281/185198989803520000
YBf [43] = -29847744368800253262550576794616325878857/33672543600640000
YBf [44] = -12884620666151297289925614151363511572118701/3703979796070400000
YBf [45] = -20190049483484207071732337172881396362076923/1481591918428160000
YBf [46] = -5541396199427294105376899231814035447320317779/103711434289971200000
YBf [47] = -6199030559764577960374488565610827452720667103/29631838368563200000
YBf [48] = -4420264584141841435303201458068747931919447681199/5392994583078502400000
YBf [49] = -7985660566143710795338123072586346747373107183203/2489074422959308800000
YBf [50] = -271050118633480613941074412933597941457096950498279/21571978332314009600000
YBf [51] = -31833149773027569888895913867285035895125229582547707/647159349969420288000000
YBf [52] = -9974558903850159525912346744436878618586626395278777/51772747997553623040000
YBf [53] = -390690789763718468967823085829194089253851173963923639/517727479975536230400000
YBf [54] = -15310362840087686005323103150585049413452749743055464921/5177274799755362304000000
YBf [55] = -1600552835786288711906369751852942788885192691061665761/138060661326809661440000
YBf [56] = -44840287867471232337171316268639182330373103063627221149/986147580905783296000000
YBf [57] = -1326597355796229341424330797652160707803159633521777152611/7434035609905135616000000
YBf [58] = -290197900914118836538693105602694453275565869669479571747533/414181983980428984320000000
YBf [59] = -35119406317329981013495888692399218507995350602193684250723039/12756805106597212717056000000
YBf [60] = -9653691595418667491879403208150392705819910073151478996971071/892084273188616273920000000
YBf [61] = -3620334308182788162201580241793722203608367887733073122382857041/85045367377314751447040000000
YBf [62] = -222024282039971167407640693136122184194294211044856771233737593/1325382348737372749824000000
YBf [63] = -673237111052040946213133052633597569168919929219473811058201122891/1020544408527777017364480000000
YBf [64] = -270496399301172837303676632030166026703454424233843527936843921667891/104095529669833255771176960000000
YBf [65] = -29865653299989522072085151185883157961859126514240018060785195618777/2915841167222220049612800000000
YBf [66] = -1868176101586737107380800917314471972518059717641869282904995203317747/46264679853259224787189760000000
YBf [67] = -663233416092363161152519969244699939918563132959440359437075589678171589/4163821186793330230847078400000000
YBf [68] = -12210365782574384906388049802577572333629931594024390448445617690038340803/19431165538368874410619699200000000
YBf [69] = -1967076680519382072516012049485989569782169729726626960833427825033778361/793108797484443853494681600000000
YBf [70] = -65220274937253767286431819671987181498523238098922213373469478764798427259/6662113898869328369355325440000000
YBf [71] = -234351385717859755436588409357791967005378200132880732046519090649621782708919/6062523647971088816113346150400000000
YBf [72] = -58548252863923041748285284241599095756439651462405338307174000031884707960353/383576254783385572781064192000000000
YBf [73] = -2924000080255687332995922799076538064276683902690146108580467558107336583821731/4850018918376871052890676920320000000
YBf [74] = -10971509378414442056070431718179599746714801747845672420564491097332712428614989491/4607517972458027500246143074304000000000
YBf [75] = -86686812656545713932931411863428144756230540633233762096306415251167011213781937977/9215035944916055000492286148608000000000
YBf [76] = -684903978196782719642416045560883225958498136346285589148640870682714403965644397323/18430071889832110000984572297216000000000
YBf [77] = -1804057921130456029034596147931164311560829984963052648871268884969151047025875440747/12286714593221406667323048198144000000000
YBf [78] = -470434372995291379854931782551658904688067650719204909554334433870601003626375540119937/810923163152612840043321181077504000000000
YBf [79] = -35487584816566619736798262309265646789056845093753406995491320889343358578161110112890161/15481260387458972400827040729661440000000000
YBf [80] = -9793533892936579711046005183978777413738929436484879546985046821485794201620889651652931/1081230884203483786724428241436672000000000
YBf [81] = -2216518829652779969889238335215983917205821307337971519215749185270539345536370497218705657/61925041549835889603308162918645760000000000
YBf [82] = -192703313721443418585791590742193983149152152026955141595117064371311174675901388820387996473/1362350914096389571272779584210206720000000000
YBf [83] = -72530559302942916251232366345591674808455913606169099636685424780620609400917151656917926559/129747706104418054406931388972400640000000000
YBf [84] = -12039686230992217369414457729681467497967342653244086476677751555570823200613702208301081301313/5449403656385558285091118336840826880000000000
YBf [85] = -786553446900257381806982458442441840740340945976645264502437719881104342195348253370999937659/90072787708852203059357327881666560000000000
YBf [86] = -3762002099815055744667611972564323664510704484408996702866131682573250821784380792964463485724589/108988073127711165701822366736816537600000000000
YBf [87] = -1189704718706360854250972939251239300250157124067559488259229447074596412199008625038489443389439/8719045850216893256145789338945323008000000000
YBf [88] = -216359893416634002387363029746500194275485473751539167326606226543146652918027264802237834288930587/401076109109977089782706309591484858368000000000
YBf [89] = -11003739611243478760110390953288143311430673069419202373414576851328393785545599204357711847928903/5159198727938990092393958188725043200000000000
YBf [90] = -14350518626875509277809795826840483552622496339141949913287596749245281321846238020770143106046270809/1701535008345357350593299495236602429440000000000
YBf [91] = -2675379729040623691936552665270298658929370026016709669689491824493568847488606971428125695377363679889/80215221821995417956541261918296971673600000000000
YBf [92] = -148144224161249909800877018549554111967504600203386268947882079160820548829795027801273157364086144037509/1123013105507935851391577666856157603430400000000000
YBf [93] = -5859958521981203581543966251656985618427265642874810578181014529568995017172004609741044811398778499467051/11230131055079358513915776668561576034304000000000000
YBf [94] = -361663258261174523359370251672660186638818457523828614257464724177509988148081718071979037298934234276116251/175190044459237992817086116029560586135142400000000000
YBf [95] = -6237597676329500478935276783608416303257188072156464809340050120763177593837581665919809905218597878868767091/763648911745396378946272813462187170332672000000000000
YBf [96] = -113258417478591196966803431196980413176837644572318115305505872842637448489159095196307537818707717487743732607/3503800889184759856341722320591211722702848000000000000
YBf [97] = -33529476210739697911626495062337852220529141686358818354667195026432830523105213077839794982985189686073098490019/262084306511020037254360829580222636858173030400000000000
YBf [98] = -120661376367430791268092744759112678786772343187398186503199824007216527627053885911321965052663347317929060934823/238258460464563670231237117800202397143793664000000000000
YBf [99] = -10509325883320045111268976978484166085821657940083435695248795531515136311252418074619352117494775242962426618995303/5241686130220400745087216591604452737163460608000000000000
YBf [100] = -37830661266732973859439443448433608755821914049152939334512243739702065763391447156494843072647704543127406190617627/4765169209291273404624742356004047942875873280000000000000