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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.

A362944 Number of set partitions of [2n] with n circular connectors.

Table of values

n a(n)
0 1
1 0
2 8
3 61
4 1339
5 27497
6 700526
7 20738540
8 701018049
9 26600152925
10 1118837321664
11 51638294897821
12 2593507095707555
13 140767051300283971
14 8208477680892328056
15 511665532350037672814
16 33945069368611365210831
17 2387678179967017695888746
18 177467827693197791991904437

List of values

[1, 0, 8, 61, 1339, 27497, 700526, 20738540, 701018049, 26600152925, 1118837321664, 51638294897821, 2593507095707555, 140767051300283971, 8208477680892328056, 511665532350037672814, 33945069368611365210831, 2387678179967017695888746, 177467827693197791991904437]

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

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