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.

A276725 Number of set partitions of [n] such that for each block b the smallest integer interval containing b has at most nine elements.

Table of values

n a(n)
0 1
1 1
2 2
3 5
4 15
5 52
6 203
7 877
8 4140
9 21147
10 94828
11 389946
12 1527058
13 5846917
14 22257299
15 85116719
16 329147169
17 1292371138
18 5165744159
19 20781403539
20 83617668276
21 335483033770
22 1340729704086
23 5338181115652
24 21193583922048
25 84001778063348
26 332811761809618

List of values

[1, 1, 2, 5, 15, 52, 203, 877, 4140, 21147, 94828, 389946, 1527058, 5846917, 22257299, 85116719, 329147169, 1292371138, 5165744159, 20781403539, 83617668276, 335483033770, 1340729704086, 5338181115652, 21193583922048, 84001778063348, 332811761809618]

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

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