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.

A053722 Number of n X n binary matrices of order dividing 2 (also number of solutions to X^2=I in GL(n,2)).

Table of values

n a(n)
1 1
2 4
3 22
4 316
5 6976
6 373024
7 32252032
8 6619979776
9 2253838544896
10 1810098020122624
11 2442718932612677632
12 7758088894129169760256
13 41674675294431186817908736
14 526370120583359572695165435904
15 11281778621698661853306239290703872

List of values

[1, 4, 22, 316, 6976, 373024, 32252032, 6619979776, 2253838544896, 1810098020122624, 2442718932612677632, 7758088894129169760256, 41674675294431186817908736, 526370120583359572695165435904, 11281778621698661853306239290703872]

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

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