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.

A181232 Number of n X (n+2) binary matrices with all rows unique and all columns unique.

Table of values

n a(n)
1 0
2 24
3 6720
4 5644800
5 16388749440
6 172145618789760
7 6709378999665162240
8 988932080423985278515200
9 559938250258499272920457420800
10 1233183626500802426354472388092518400
11 10663689261713618730124837637890877517004800

List of values

[0, 24, 6720, 5644800, 16388749440, 172145618789760, 6709378999665162240, 988932080423985278515200, 559938250258499272920457420800, 1233183626500802426354472388092518400, 10663689261713618730124837637890877517004800]

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

Content is available under The OEIS End-User License Agreement.