A036254
Denominator of fraction equal to the continued fraction [ 3, 1, 4, 1, 5... ] (first n digits of Pi).
Original entry on oeis.org
1, 1, 5, 6, 35, 321, 677, 4383, 22592, 72159, 383387, 3139255, 28636682, 203596029, 1861000943, 5786598858, 13434198659, 46089194835, 382147757339, 1574680224191, 9830229102485, 21235138429161, 137241059677451, 570199377138965, 1847839191094346
Offset: 1
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nn=50;With[{pids=RealDigits[Pi,10,nn][[1]]},Denominator[Table[ FromContinuedFraction[ Take[pids,n]],{n,nn}]]] (* Harvey P. Dale, Feb 09 2013 *)
A249944
Numerator of fraction equal to the finite continued fraction [2,7,1,8,2,...] (first n digits of e).
Original entry on oeis.org
2, 15, 17, 151, 319, 2703, 3022, 26879, 56780, 481119, 1981256, 10387399, 95467847, 10387399, 137017443, 695474614, 1527966671, 5279374627, 27924839806, 89053894045, 562248204076, 89053894045, 740355992166, 6011901831373, 42823668811777, 177306577078481
Offset: 1
2 + 1/7 = 15/7 defines a(2).
2 + 1/(7 + 1/1) = 17/8 defines a(3).
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Module[{nn=30,pd},pd=RealDigits[E,10,nn][[1]];Table[Numerator[ FromContinuedFraction[Take[pd,n]]],{n,nn}]]
A251626
Denominator of fraction equal to the continued fraction [2,7,1,8,2,...] (first n digits of e).
Original entry on oeis.org
1, 7, 8, 71, 150, 1271, 1421, 12639, 26699, 226231, 931623, 4884346, 44890737, 4884346, 64428121, 327024951, 718478023, 2482459020, 13130773123, 41874778389, 264379443457, 41874778389, 348129000235, 2826906780269, 20136476462118, 83372812628741
Offset: 1
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Module[{nn=30,pd},pd=RealDigits[E,10,nn][[1]];Table[Denominator[ FromContinuedFraction[Take[pd,n]]],{n,nn}]]
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