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%I #6 Oct 01 2021 17:21:10
%S 8,21,73,326,1376,6205,28942,135093,636475,3024792,14429369,69010353,
%T 330906118,1589431389,7642628408,36779710534,177110221193,
%U 853219818189,4111568990816,19817506062480,95533854083563,460587995304966
%N Number of n X 5 0..1 arrays with no element equal to exactly two horizontal and vertical neighbors, with new values 0..1 introduced in row major order.
%C Column 5 of A240519.
%H R. H. Hardin, <a href="/A240516/b240516.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..0..1..1..0..1....0..1..1..1..0....0..0..0..1..0....0..1..0..1..0
%e ..1..0..0..0..0....1..0..1..0..0....1..0..1..0..1....1..1..1..0..1
%e ..0..1..0..1..1....0..1..0..1..0....0..1..0..0..0....0..1..0..1..1
%e ..1..0..1..0..0....1..0..1..1..1....1..1..1..0..1....1..0..1..0..1
%Y Cf. A240519.
%K nonn
%O 1,1
%A _R. H. Hardin_, Apr 06 2014
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