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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.

A365528 a(n) = Sum_{k=0..floor(n/5)} Stirling2(n,5*k).

Table of values

n a(n)
0 1
1 0
2 0
3 0
4 0
5 1
6 15
7 140
8 1050
9 6951
10 42526
11 246785
12 1381105
13 7547826
14 40827787
15 223429571
16 1289945660
17 8411093621
18 66070626548
19 624900235273
20 6667243384356
21 74991482322466
22 854627237256694
23 9698297591786441
24 108934902927646609

List of values

[1, 0, 0, 0, 0, 1, 15, 140, 1050, 6951, 42526, 246785, 1381105, 7547826, 40827787, 223429571, 1289945660, 8411093621, 66070626548, 624900235273, 6667243384356, 74991482322466, 854627237256694, 9698297591786441, 108934902927646609]

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

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