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.

A188560 Number of n X n binary arrays without the pattern 1 1 1 diagonally, vertically or horizontally.

Table of values

n a(n)
1 2
2 16
3 247
4 13306
5 2109386
6 924245906
7 1199747927824
8 4515869742994831
9 49132225919211100127
10 1553292806575822383425281
11 142435222420745509758550159896
12 37880215295994989398957106920807127

List of values

[2, 16, 247, 13306, 2109386, 924245906, 1199747927824, 4515869742994831, 49132225919211100127, 1553292806575822383425281, 142435222420745509758550159896, 37880215295994989398957106920807127]

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

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