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.

A181231 Number of nX(n+1) binary matrices with all rows unique and all columns unique.

Table of values

n a(n)
1 2
2 24
3 1608
4 483840
5 595506240
6 2881362718080
7 53971723989630720
8 3905883638351009925120
9 1097181147335459123569766400
10 1204583321001156830831556548812800
11 5203385513364984367494095906614850764800
12 88913167483454945080054825759528983277687603200

List of values

[2, 24, 1608, 483840, 595506240, 2881362718080, 53971723989630720, 3905883638351009925120, 1097181147335459123569766400, 1204583321001156830831556548812800, 5203385513364984367494095906614850764800, 88913167483454945080054825759528983277687603200]