A249944 - OEIS

A249944

Numerator of fraction equal to the finite continued fraction [2,7,1,8,2,...] (first n digits of e).

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

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OFFSET

1,1

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..1000

EXAMPLE

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

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

MATHEMATICA

Module[{nn=30, pd}, pd=RealDigits[E, 10, nn][[1]]; Table[Numerator[ FromContinuedFraction[Take[pd, n]]], {n, nn}]]

CROSSREFS

Cf. A001113, A036253, A036254, A251626.