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.

A222525 O.g.f.: Sum_{n>=0} (2*n+1)^(2*n) * exp(-(2*n+1)^2*x) * x^n / n!.

Table of values

n a(n)
0 1
1 8
2 232
3 12160
4 929376
5 93590784
6 11709432064
7 1751777730560
8 305065968649728
9 60623947402670080
10 13538933075023376384
11 3356940619048979988480
12 915040828127405123420160
13 271974910674004076827115520
14 87543520972441760055430348800
15 30337462571518006406505729884160

List of values

[1, 8, 232, 12160, 929376, 93590784, 11709432064, 1751777730560, 305065968649728, 60623947402670080, 13538933075023376384, 3356940619048979988480, 915040828127405123420160, 271974910674004076827115520, 87543520972441760055430348800, 30337462571518006406505729884160]