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%I #4 Nov 12 2017 20:04:20
%S 21,876,19956,528282,13706771,355281224,9248214732,240292442848,
%T 6243986963713,162252303626409,4216381439247094,109570922468132003,
%U 2847344541437365138,73992200911927723171,1922796991924326509127
%N Number of nX6 0..1 arrays with each 1 horizontally or vertically adjacent to 1 or 2 1s.
%C Column 6 of A295040.
%H R. H. Hardin, <a href="/A295038/b295038.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=3
%e ..1..0..0..1..0..0. .1..1..0..1..1..1. .0..0..0..1..0..1. .0..0..0..0..0..1
%e ..1..0..0..1..1..0. .1..0..1..0..0..1. .1..1..0..1..0..1. .0..1..0..1..0..1
%e ..1..0..0..0..1..0. .0..0..1..0..0..0. .0..1..0..0..0..0. .1..1..0..1..0..0
%Y Cf. A295040.
%K nonn
%O 1,1
%A _R. H. Hardin_, Nov 12 2017
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