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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.

A083667 Number of antisymmetric binary relations on a set of n labeled points.

Table of values

n a(n)
0 1
1 2
2 12
3 216
4 11664
5 1889568
6 918330048
7 1338925209984
8 5856458868470016
9 76848453272063549952
10 3025216211508053707410432
11 357271984146678126737757198336
12 126579320351263180234426948827254784

List of values

[1, 2, 12, 216, 11664, 1889568, 918330048, 1338925209984, 5856458868470016, 76848453272063549952, 3025216211508053707410432, 357271984146678126737757198336, 126579320351263180234426948827254784]

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

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