cp's OEIS Frontend

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.

A362761 Number of nonisomorphic unordered triples of derangements of an n-set.

Table of values

n a(n)
0 1
1 0
2 1
3 2
4 18
5 138
6 4642
7 211600
8 13511246
9 1092862024
10 109276859229
11 13221974420985
12 1903936637405380
13 321762396855180477
14 63065061524052355523
15 14189582409276961769144
16 3632522968870016652531332
17 1049797035002712952582167891
18 340133739324533632977813192678

List of values

[1, 0, 1, 2, 18, 138, 4642, 211600, 13511246, 1092862024, 109276859229, 13221974420985, 1903936637405380, 321762396855180477, 63065061524052355523, 14189582409276961769144, 3632522968870016652531332, 1049797035002712952582167891, 340133739324533632977813192678]

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

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