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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.

A365532 a(n) = Sum_{k=0..floor((n-4)/5)} Stirling2(n,5*k+4).

Table of values

n a(n)
0 0
1 0
2 0
3 0
4 1
5 10
6 65
7 350
8 1701
9 7771
10 34150
11 146905
12 633776
13 2892032
14 15526876
15 109484545
16 992589171
17 10223409493
18 108982611518
19 1156117871286
20 12062817285396
21 123603289559039
22 1245986248828926
23 12391614409960544
24 121996350285087172

List of values

[0, 0, 0, 0, 1, 10, 65, 350, 1701, 7771, 34150, 146905, 633776, 2892032, 15526876, 109484545, 992589171, 10223409493, 108982611518, 1156117871286, 12062817285396, 123603289559039, 1245986248828926, 12391614409960544, 121996350285087172]

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

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