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.

A276722 Number of set partitions of [n] such that for each block b the smallest integer interval containing b has at most six elements.

Table of values

n a(n)
0 1
1 1
2 2
3 5
4 15
5 52
6 203
7 674
8 2066
9 6184
10 18587
11 56867
12 178317
13 561319
14 1760125
15 5489888
16 17057701
17 52931331
18 164466672
19 511758485
20 1593612234
21 4962950389
22 15451453190
23 48088784307
24 149640967002
25 465653853729
26 1449146745582
27 4510183339086
28 14037494547193

List of values

[1, 1, 2, 5, 15, 52, 203, 674, 2066, 6184, 18587, 56867, 178317, 561319, 1760125, 5489888, 17057701, 52931331, 164466672, 511758485, 1593612234, 4962950389, 15451453190, 48088784307, 149640967002, 465653853729, 1449146745582, 4510183339086, 14037494547193]

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

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