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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.

A108459 Number of labeled partitions of (n,n) into pairs (i,j).

Table of values

n a(n)
0 1
1 1
2 5
3 52
4 855
5 19921
6 614866
7 24040451
8 1152972925
9 66200911138
10 4465023867757
11 348383154017581
12 31052765897026352
13 3128792250765898965
14 353179564583216567917
15 44320731930172534543092
16 6141797839043095806714667
17 934330605640859569909566925

List of values

[1, 1, 5, 52, 855, 19921, 614866, 24040451, 1152972925, 66200911138, 4465023867757, 348383154017581, 31052765897026352, 3128792250765898965, 353179564583216567917, 44320731930172534543092, 6141797839043095806714667, 934330605640859569909566925]

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

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