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.

A188456 G.f.: 1 = Sum_{n>=0} a(n)*x^n*(1 - 2^n*x)^(n+1).

Table of values

n a(n)
0 1
1 1
2 4
3 44
4 1216
5 80640
6 12460032
7 4393091072
8 3479212916736
9 6113821454237696
10 23602899265140031488
11 198562423940692641316864
12 3615246879908004653107773440
13 141631725381846630255125115961344

List of values

[1, 1, 4, 44, 1216, 80640, 12460032, 4393091072, 3479212916736, 6113821454237696, 23602899265140031488, 198562423940692641316864, 3615246879908004653107773440, 141631725381846630255125115961344]