cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

Showing 1-3 of 3 results.

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

Views

Author

Keywords

Crossrefs

Cf. A036253.

Programs

  • Mathematica
    nn=50;With[{pids=RealDigits[Pi,10,nn][[1]]},Denominator[Table[ FromContinuedFraction[ Take[pids,n]],{n,nn}]]] (* Harvey P. Dale, Feb 09 2013 *)

Extensions

More terms from 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

Views

Author

Harvey P. Dale, Dec 07 2014

Keywords

Examples

			2 + 1/7 = 15/7 defines a(2).
2 + 1/(7 + 1/1) = 17/8 defines a(3).
		

Crossrefs

Programs

  • Mathematica
    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

Views

Author

Harvey P. Dale, Dec 07 2014

Keywords

Crossrefs

Programs

  • Mathematica
    Module[{nn=30,pd},pd=RealDigits[E,10,nn][[1]];Table[Denominator[ FromContinuedFraction[Take[pd,n]]],{n,nn}]]
Showing 1-3 of 3 results.