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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.

A357922 a(n) = Sum_{k=0..floor(n/5)} |Stirling1(n - 4*k,k)|.

Table of values

n a(n)
0 1
1 0
2 0
3 0
4 0
5 1
6 1
7 2
8 6
9 24
10 121
11 723
12 5051
13 40370
14 363154
15 3630565
16 39929874
17 479111219
18 6228047601
19 87188921464
20 1307794924973
21 20924276449014
22 355707232027825
23 6402657184129671
24 121649439722758345
25 2432972744390660437
26 51092165603897459951

List of values

[1, 0, 0, 0, 0, 1, 1, 2, 6, 24, 121, 723, 5051, 40370, 363154, 3630565, 39929874, 479111219, 6228047601, 87188921464, 1307794924973, 20924276449014, 355707232027825, 6402657184129671, 121649439722758345, 2432972744390660437, 51092165603897459951]

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

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