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%I #4 Mar 26 2018 16:44:53
%S 16,89,48,61,82,116,171,260,404,637,1014,1624,2611,4208,6792,10973,
%T 17738,28684,46395,75052,121420,196445,317838,514256,832067,1346296,
%U 2178336,3524605,5702914,9227492,14930379,24157844,39088196,63246013,102334182
%N Number of 5Xn 0..1 arrays with every element equal to 0 or 1 horizontally or antidiagonally adjacent elements, with upper left element zero.
%C Row 5 of A301790.
%H R. H. Hardin, <a href="/A301794/b301794.txt">Table of n, a(n) for n = 1..210</a>
%F Empirical: a(n) = 2*a(n-1) -a(n-3) for n>5
%e Some solutions for n=5
%e ..0..1..0..1..0. .0..1..0..1..0. .0..1..0..1..0. .0..0..1..1..0
%e ..1..0..1..0..1. .0..1..0..1..1. .0..1..0..1..0. .1..0..0..1..0
%e ..1..0..1..0..0. .0..1..0..0..1. .1..0..1..0..1. .1..1..0..1..0
%e ..1..0..1..1..0. .0..1..1..0..1. .1..0..1..0..0. .0..1..0..1..0
%e ..1..0..0..1..1. .0..0..1..0..0. .1..0..1..1..0. .0..1..0..1..0
%Y Cf. A301790.
%K nonn
%O 1,1
%A _R. H. Hardin_, Mar 26 2018
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