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比值都是大于 1 的。希望 elim 老师批评!
(n=01)1.10363832351432696478657131048438260233743339309530350352351040509238448723469941007144182,
(n=02)1.00001031191673757842163503719946404812734575055114355014102116517760660110937552180182287,
(n=03)1.00000000010177402814823922287628903273691078135679452654015387120713578458026802094501015,
(n=04)1.000000000000000226630045186603754982159052423645564507404632506055778858034006178003770382,
(n=05)1.000000000000000000000171343100241459084778589442919302204467696494245020609802580839316351,
(n=06)1.000000000000000000000000000055437771328934722450555302215376159144757288133683119162999968,
(n=07)1.000000000000000000000000000000000008912540460417671000873645684557501280645308547577848271,
(n=08)1.000000000000000000000000000000000000000000790376311925338213014575666240297337201905699284,
(n=09)1.000000000000000000000000000000000000000000000000041768772835312081356495853351207351392589,
(n=10)1.000000000000000000000000000000000000000000000000000000001395965675984140237311459755378330,
(n=11)1.000000000000000000000000000000000000000000000000000000000000000030930946117291541745299560,
(n=12)1.000000000000000000000000000000000000000000000000000000000000000000000000472134512138196526,
(n=13)1.000000000000000000000000000000000000000000000000000000000000000000000000000000005125113718,
(n=14)1.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000041,
(n=15)1.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000,
.......
(n=01)1,
(n=02)51/71,
(n=03)12993/18089,
(n=04)7463683/10391023,
(n=05)7630163553/10622799089,
(n=06)12194787470451/16977719590391,
(n=07) 28074714490111201/39085931702241241,
(n=08)87990633020373456003/122501544009741683039,
(n=09)360245756277357319226433/501538173463478753560673,
(n=10)1866837076525377375972558643/2599031470043405251089952039,
(n=11)11944225036642610238981992412801/16628883765954330083456633789321,
(n=12)92473353474967042782368683045381251/128742437593546415344343149711247951,
(n=13)852057685766054622700816773682688475553/1186244245652160441069426743288856160849,
(n=14)9214221269581366323462908831452644793991283/12828141969495389870618745382676429721961943,
(n=15)115565457659651576368497847048772839132010989473/
160891523467297141632514216552248655879527569849,
...........
说明
1,比值:(a(k(n))/b(k(n))+2)/e
2,项序:k(1)=1,k(2)=3,k(n)=2n-1
3,分子:a(1)=1,a(2)=5,a(n)=a(n-2)+a(n-1)*(4n-2)
4,分母:b(1)=1,b(2)=7,b(n)=b(n-2)+b(n-1)*(4n-2) |
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