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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.

A206861 Number of nX6 0..2 arrays avoiding the pattern z z+1 z in any row, column, diagonal or antidiagonal.

Table of values

n a(n)
1 529
2 279841
3 61164640
4 13093461017
5 3092914364659
6 729358354663001
7 169438223533971179
8 39337025494858264742
9 9160013752465174862941
10 2134232035568356911671588
11 496969525342232065594867876

List of values

[529, 279841, 61164640, 13093461017, 3092914364659, 729358354663001, 169438223533971179, 39337025494858264742, 9160013752465174862941, 2134232035568356911671588, 496969525342232065594867876]

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

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