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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.

A229371 Number of nX7 0..2 arrays avoiding 11 horizontally, 22 vertically and 00 antidiagonally.

Table of values

n a(n)
1 1224
2 93589
3 9346997
4 911301584
5 89084628843
6 8710922742428
7 851668326534130
8 83250606242790579
9 8145575543947646167
10 796251832574767236498
11 77900125870506075981681
12 7616537920070292008035552

List of values

[1224, 93589, 9346997, 911301584, 89084628843, 8710922742428, 851668326534130, 83250606242790579, 8145575543947646167, 796251832574767236498, 77900125870506075981681, 7616537920070292008035552]

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

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