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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.

A290034 Number of set partitions of [n] having exactly five blocks of size > 1.

Table of values

n a(n)
10 945
11 27720
12 460845
13 5735730
14 59629570
15 548307760
16 4615040430
17 36359543220
18 272291994975
19 1959812841168
20 13667751403475
21 92931068213270
22 618974154722616
23 4053694551645816
24 26180738256056076
25 167146327568961576
26 1056894585385219581
27 6629318116295993976

List of values

[945, 27720, 460845, 5735730, 59629570, 548307760, 4615040430, 36359543220, 272291994975, 1959812841168, 13667751403475, 92931068213270, 618974154722616, 4053694551645816, 26180738256056076, 167146327568961576, 1056894585385219581, 6629318116295993976]

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

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