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.

A317662 G.f.: Sum_{n>=0} ( (1+x)^n - 1 )^n * 2^n / (3 - 2*(1+x)^n)^(n+1).

Table of values

n a(n)
0 1
1 2
2 24
3 448
4 11820
5 401392
6 16668960
7 818355488
8 46367354632
9 2977828665832
10 213763450387456
11 16961461169786752
12 1474091484740240064
13 139256465915227044352
14 14208358055857371300864
15 1557104405499802200814464
16 182416569911688799401148816
17 22749429746475540390909166048
18 3009102958766163591152586574464
19 420767787785916464100556297780608

List of values

[1, 2, 24, 448, 11820, 401392, 16668960, 818355488, 46367354632, 2977828665832, 213763450387456, 16961461169786752, 1474091484740240064, 139256465915227044352, 14208358055857371300864, 1557104405499802200814464, 182416569911688799401148816, 22749429746475540390909166048, 3009102958766163591152586574464, 420767787785916464100556297780608]