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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.

A181035 Number of nX(n+4) binary matrices with no initial bit string in any row or column divisible by 4.

Table of values

n a(n)
1 1
2 13
3 239
4 10897
5 1095851
6 250916131
7 129422885699
8 150985649174085
9 397743903151933881
10 2367568471466798904283
11 31835463913062005686452609
12 967121732734103600475330208107
13 66372797708066134019183673485369717

List of values

[1, 13, 239, 10897, 1095851, 250916131, 129422885699, 150985649174085, 397743903151933881, 2367568471466798904283, 31835463913062005686452609, 967121732734103600475330208107, 66372797708066134019183673485369717]

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

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