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.

A385751 a(n) = Sum_{k=0..n} |Stirling1(n,k)| * (n!/k!)^2.

Table of values

n a(n)
0 1
1 1
2 5
3 100
4 5137
5 539851
6 101035441
7 30669875230
8 14117057058945
9 9364637252286181
10 8603755430968248301
11 10603853731438585516856
12 17077610933602804111318705
13 35160631271792580418277658415
14 90839446923946068488317221868825
15 289828370988497912073923950177143826
16 1126236403418687405801564385561640043521

List of values

[1, 1, 5, 100, 5137, 539851, 101035441, 30669875230, 14117057058945, 9364637252286181, 8603755430968248301, 10603853731438585516856, 17077610933602804111318705, 35160631271792580418277658415, 90839446923946068488317221868825, 289828370988497912073923950177143826, 1126236403418687405801564385561640043521]