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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.

A229251 Number of set partitions of {1,...,n} with largest set of size 9.

Table of values

n a(n)
9 1
10 10
11 110
12 1100
13 10725
14 104104
15 1016015
16 10032880
17 100643400
18 1028142830
19 10712984282
20 113961363880
21 1238298284860
22 13747432565790
23 155944562191220
24 1807325391776872
25 21396572780305250
26 258695925902828700
27 3193365395052825850
28 40233167990427412000

List of values

[1, 10, 110, 1100, 10725, 104104, 1016015, 10032880, 100643400, 1028142830, 10712984282, 113961363880, 1238298284860, 13747432565790, 155944562191220, 1807325391776872, 21396572780305250, 258695925902828700, 3193365395052825850, 40233167990427412000]

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

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