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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.

A276726 Number of set partitions of [n] such that for each block b the smallest integer interval containing b has at most ten 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 115975
11 562595
12 2504665
13 10579224
14 43453459
15 176472854
16 716369167
17 2927448727
18 12099445274
19 50734619570
20 216264854789
21 928045216933
22 3986352066095
23 17086933963355
24 72987960721209
25 310631150855373
26 1317808552742134

List of values

[1, 1, 2, 5, 15, 52, 203, 877, 4140, 21147, 115975, 562595, 2504665, 10579224, 43453459, 176472854, 716369167, 2927448727, 12099445274, 50734619570, 216264854789, 928045216933, 3986352066095, 17086933963355, 72987960721209, 310631150855373, 1317808552742134]

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

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