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.

A111723 Number of partitions of an n-set with an odd number of blocks of size 1.

Table of values

n a(n)
1 1
2 0
3 4
4 4
5 31
6 86
7 449
8 1968
9 10420
10 56582
11 333235
12 2069772
13 13606113
14 94065232
15 682242552
16 5175100432
17 40954340995
18 337362555010
19 2886922399649
20 25616738519384
21 235313456176512
22 2234350827008170
23 21899832049913999
24 221292603495494488
25 2302631998398438321

List of values

[1, 0, 4, 4, 31, 86, 449, 1968, 10420, 56582, 333235, 2069772, 13606113, 94065232, 682242552, 5175100432, 40954340995, 337362555010, 2886922399649, 25616738519384, 235313456176512, 2234350827008170, 21899832049913999, 221292603495494488, 2302631998398438321]

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

Content is available under The OEIS End-User License Agreement.