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A302894 Number of 7Xn 0..1 arrays with every element equal to 0, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1

%I

%S 64,21,8968,28594,2059835,60501563,2899297652,133518102376,

%T 6327934680000,307776560940205,14923956123066383,730433298641263668,

%U 35734411310196784099,1751985608336100700720,85921025124831969145232

%N Number of 7Xn 0..1 arrays with every element equal to 0, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

%C Row 7 of A302889.

%H R. H. Hardin, <a href="/A302894/b302894.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

%e ..0..0..0..0..0. .0..0..0..1..0. .0..0..0..0..0. .0..0..0..0..0

%e ..0..0..0..0..1. .0..0..0..1..0. .0..0..0..0..0. .0..0..0..0..0

%e ..0..1..1..0..0. .1..0..1..1..1. .0..1..1..1..1. .1..1..1..0..0

%e ..1..0..1..1..1. .0..0..0..0..1. .0..0..1..1..1. .0..1..1..0..0

%e ..0..1..1..1..1. .1..0..0..1..1. .1..0..1..1..0. .1..1..0..1..1

%e ..0..0..0..0..0. .1..0..0..1..1. .1..0..0..1..1. .0..0..0..1..0

%e ..1..0..0..0..0. .0..0..0..1..1. .1..0..0..1..1. .0..0..1..1..1

%Y Cf. A302889.

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 15 2018

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Last modified May 25 05:58 EDT 2022. Contains 354048 sequences. (Running on oeis4.)