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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.

A271744 Number of set partitions of [n] such that 5 is the largest element of the last block.

Table of values

n a(n)
5 30
6 59
7 139
8 365
9 1039
10 3149
11 10039
12 33365
13 114799
14 406589
15 1475239
16 5460965
17 20550559
18 78375629
19 302129239
20 1174610165
21 4597146319
22 18085554269
23 71434828039
24 283020552965
25 1123932750079
26 4471296246509
27 17811907987639
28 71027855481365
29 283452201569839

List of values

[30, 59, 139, 365, 1039, 3149, 10039, 33365, 114799, 406589, 1475239, 5460965, 20550559, 78375629, 302129239, 1174610165, 4597146319, 18085554269, 71434828039, 283020552965, 1123932750079, 4471296246509, 17811907987639, 71027855481365, 283452201569839]

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

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