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A302525 Number of nX5 0..1 arrays with every element equal to 1, 2, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1

%I

%S 3,27,100,539,3683,17546,92603,615351,3268978,18424095,115923699,

%T 662227998,3859905731,23738169083,140046826890,831779950595,

%U 5066753588103,30319152922838,181816222213079,1103244221147287

%N Number of nX5 0..1 arrays with every element equal to 1, 2, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

%C Column 5 of A302528.

%H R. H. Hardin, <a href="/A302525/b302525.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A302528.

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 09 2018

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Last modified August 18 22:56 EDT 2022. Contains 356215 sequences. (Running on oeis4.)