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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.

A303466 Number of nX5 0..1 arrays with every element equal to 0, 1, 2, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

Table of values

n a(n)
1 16
2 384
3 5237
4 79377
5 1243692
6 19374638
7 302023677
8 4716032889
9 73624207904
10 1149438505997
11 17947141691999
12 280223342646902
13 4375382787383338
14 68317349274051360
15 1066710022825715053
16 16655668791240232192

List of values

[16, 384, 5237, 79377, 1243692, 19374638, 302023677, 4716032889, 73624207904, 1149438505997, 17947141691999, 280223342646902, 4375382787383338, 68317349274051360, 1066710022825715053, 16655668791240232192]

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

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