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%I #6 Mar 15 2023 14:59:29
%S 3,27,74,287,1307,4491,17828,80293,304958,1254491,5534905,22489246,
%T 94732609,413955598,1740468900,7436093945,32346857005,138259463124,
%U 595133929409,2583681234015,11128738383880,48080514602454
%N Number of n X 5 0..1 arrays with every element equal to 1, 2, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
%C Column 5 of A302728.
%H R. H. Hardin, <a href="/A302725/b302725.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=5
%e ..0..0..1..0..0. .0..1..0..0..0. .0..0..1..0..1. .0..0..0..0..1
%e ..0..1..1..1..1. .0..0..1..1..1. .0..1..1..1..0. .0..1..0..1..1
%e ..1..0..1..0..0. .0..1..1..1..1. .0..0..0..0..1. .1..1..1..1..1
%e ..0..1..1..1..1. .1..1..1..0..1. .1..0..0..0..0. .1..0..1..0..0
%e ..0..0..1..0..0. .1..0..0..1..0. .0..1..1..1..0. .0..1..0..1..1
%Y Cf. A302728.
%K nonn
%O 1,1
%A _R. H. Hardin_, Apr 12 2018
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