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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.

A207987 Number of nX6 0..2 arrays avoiding the pattern z z+1 z horizontally and z z-1 z vertically.

Table of values

n a(n)
1 529
2 279841
3 95527856
4 31638012071
5 10629041648848
6 3578849222737632
7 1204494622138201455
8 405333113827258812431
9 136403423286792425969870
10 45903034302323213277967472
11 15447463885373895264608054021

List of values

[529, 279841, 95527856, 31638012071, 10629041648848, 3578849222737632, 1204494622138201455, 405333113827258812431, 136403423286792425969870, 45903034302323213277967472, 15447463885373895264608054021]

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

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