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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.

A002884 Number of nonsingular n X n matrices over GF(2) (order of the group GL(n,2)); order of Chevalley group A_n (2); order of projective special linear group PSL_n(2).

Table of values

n a(n)
0 1
1 1
2 6
3 168
4 20160
5 9999360
6 20158709760
7 163849992929280
8 5348063769211699200
9 699612310033197642547200
10 366440137299948128422802227200
11 768105432118265670534631586896281600
12 6441762292785762141878919881400879415296000
13 216123289355092695876117433338079655078664339456000

List of values

[1, 1, 6, 168, 20160, 9999360, 20158709760, 163849992929280, 5348063769211699200, 699612310033197642547200, 366440137299948128422802227200, 768105432118265670534631586896281600, 6441762292785762141878919881400879415296000, 216123289355092695876117433338079655078664339456000]

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

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