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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.

A382738 a(n) = Sum_{k=0..n} (k!)^2 * binomial(k+2,2) * Stirling2(n,k)^2.

Table of values

n a(n)
0 1
1 3
2 27
3 579
4 22779
5 1396803
6 121998267
7 14333812419
8 2175860165499
9 414000255441603
10 96422983358827707
11 26970211126038920259
12 8918364340126714711419
13 3440770498298077165166403
14 1531504734740033368269820347
15 778873986278207207346380124099

List of values

[1, 3, 27, 579, 22779, 1396803, 121998267, 14333812419, 2175860165499, 414000255441603, 96422983358827707, 26970211126038920259, 8918364340126714711419, 3440770498298077165166403, 1531504734740033368269820347, 778873986278207207346380124099]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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