cp's OEIS Frontend

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.

A360182 Number of partitions of [n] where each block size occurs at most twice.

Table of values

n a(n)
0 1
1 1
2 2
3 4
4 14
5 41
6 152
7 575
8 2634
9 13207
10 59927
11 312170
12 1946870
13 10547135
14 65168469
15 421552409
16 3148178034
17 20138277895
18 141300123713
19 1063603633154
20 9108280640649
21 68154636145922
22 549824347467969
23 4551458909818969
24 39948625639349706
25 406913301246314341

List of values

[1, 1, 2, 4, 14, 41, 152, 575, 2634, 13207, 59927, 312170, 1946870, 10547135, 65168469, 421552409, 3148178034, 20138277895, 141300123713, 1063603633154, 9108280640649, 68154636145922, 549824347467969, 4551458909818969, 39948625639349706, 406913301246314341]

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

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