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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.

A275429 Number of set partitions of [n] such that n is a multiple of each block size.

Table of values

n a(n)
0 1
1 1
2 2
3 2
4 11
5 2
6 167
7 2
8 1500
9 1206
10 16175
11 2
12 3486584
13 2
14 3188421
15 29226654
16 772458367
17 2
18 130880325103
19 2
20 4173951684174
21 623240762412
22 644066092301
23 2
24 220076136813712815
25 31580724696908
26 538897996103277
27 49207275464475052
28 44147498142028751570
29 2

List of values

[1, 1, 2, 2, 11, 2, 167, 2, 1500, 1206, 16175, 2, 3486584, 2, 3188421, 29226654, 772458367, 2, 130880325103, 2, 4173951684174, 623240762412, 644066092301, 2, 220076136813712815, 31580724696908, 538897996103277, 49207275464475052, 44147498142028751570, 2]

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

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