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.

A309244 Triangle of number of nonsingular n X n matrices over GF(2) by number of ones.

Table of values

n a(n)
1 1
2 0
3 2
4 4
5 0
6 0
7 6
8 36
9 72
10 36
11 18
12 0
13 0
14 0
15 24
16 288
17 1440
18 3648
19 4752
20 4992
21 2592
22 1728
23 600
24 96
25 0
26 0
27 0
28 0
29 120
30 2400
31 21600
32 112800
33 369600
34 808800
35 1384800
36 1663200
37 1849200
38 1466400
39 1143840
40 636000
41 345600
42 141600
43 45600
44 7200
45 600
46 0
47 0
48 0
49 0
50 0
51 720

List of values

[1, 0, 2, 4, 0, 0, 6, 36, 72, 36, 18, 0, 0, 0, 24, 288, 1440, 3648, 4752, 4992, 2592, 1728, 600, 96, 0, 0, 0, 0, 120, 2400, 21600, 112800, 369600, 808800, 1384800, 1663200, 1849200, 1466400, 1143840, 636000, 345600, 141600, 45600, 7200, 600, 0, 0, 0, 0, 0, 720]

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

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