A239897 Bisection of A055505.

1, 11, 2447, 238043, 559440199, 29128857391, 9447595434410813, 225037938358318573, 3651003047854884043877

Offset

0,2

Comments

Based on a very good approximation to e.

Links

Table of n, a(n) for n=0..8.

H. J. Brothers and J. A. Knox, New closed-form approximations to the logarithmic constant e, Math. Intelligencer, 20 (1998), 25-29. MR1646709 (2000c:11209).

Chao-Ping Chen and Junesang Choi, An Asymptotic Formula for (1+1/x)^x Based on the Partition Function, Amer. Math. Monthly 121 (2014), no. 4, 338--343. MR3183017.

John A. Knox and Harlan J. Brothers, Novel series-based approximations to e, College Math. J. 30 (1999), no. 4, 269--275. MR1717867 (2000i:11198).

Example

Numerators of the fractions 1, 11/24, 2447/5760, 238043/580608, ... (see A055505/A055535).

Crossrefs

Cf. A055505/A055535, A239898 (denominators).

Sequence in context: A238633 A266815 A064779 * A138075 A222315 A185556

Adjacent sequences: A239894 A239895 A239896 * A239898 A239899 A239900

Keyword

nonn,frac,more

Author

N. J. A. Sloane, Apr 05 2014

Status

approved