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%I #4 Apr 09 2018 09:06:07
%S 5,5,15,28,48,89,163,297,544,1004,1848,3393,6237,11481,21122,38834,
%T 71418,131383,241665,444451,817450,1503590,2765570,5086571,9355603,
%U 17207807,31650188,58213496,107071156,196935005,362220199,666226093,1225380420
%N Number of nX4 0..1 arrays with every element equal to 0, 1, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
%C Column 4 of A302515.
%H R. H. Hardin, <a href="/A302511/b302511.txt">Table of n, a(n) for n = 1..210</a>
%F Empirical: a(n) = a(n-1) +2*a(n-3) +2*a(n-4) -a(n-6) -a(n-7) for n>10
%e Some solutions for n=5
%e ..0..1..0..1. .0..1..0..1. .0..0..1..0. .0..1..1..1. .0..0..0..1
%e ..0..1..0..1. .0..1..0..1. .1..1..1..0. .0..1..0..1. .0..1..0..1
%e ..0..0..1..1. .0..1..0..1. .1..0..0..0. .0..0..0..1. .0..1..1..1
%e ..0..1..0..1. .0..1..1..1. .1..0..1..0. .0..1..1..1. .0..0..0..1
%e ..0..1..0..1. .0..1..0..0. .1..1..1..0. .0..1..0..0. .0..1..0..1
%Y Cf. A302515.
%K nonn
%O 1,1
%A _R. H. Hardin_, Apr 09 2018