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.

A276723 Number of set partitions of [n] such that for each block b the smallest integer interval containing b has at most seven elements.

Table of values

n a(n)
0 1
1 1
2 2
3 5
4 15
5 52
6 203
7 877
8 3263
9 11155
10 36810
11 120635
12 398736
13 1340561
14 4605989
15 15908448
16 54826671
17 188085307
18 642431001
19 2188102307
20 7446095610
21 25366540627
22 86531467800
23 295449388797
24 1009134603216
25 3446558809107
26 11767813404774
27 40167156826109

List of values

[1, 1, 2, 5, 15, 52, 203, 877, 3263, 11155, 36810, 120635, 398736, 1340561, 4605989, 15908448, 54826671, 188085307, 642431001, 2188102307, 7446095610, 25366540627, 86531467800, 295449388797, 1009134603216, 3446558809107, 11767813404774, 40167156826109]

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

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