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.

A136647 G.f.: A(x) = Sum_{n>=0} arcsinh( 2^n*x )^n / n!; a power series in x with integer coefficients.

Table of values

n a(n)
0 1
1 2
2 8
3 84
4 2688
5 276892
6 94978048
7 111457917800
8 457117679616000
9 6660816097416169260
10 349290546231751288553472
11 66597307693046550483175282456
12 46556113319179632622352835689840640

List of values

[1, 2, 8, 84, 2688, 276892, 94978048, 111457917800, 457117679616000, 6660816097416169260, 349290546231751288553472, 66597307693046550483175282456, 46556113319179632622352835689840640]