%I #6 Apr 26 2020 20:50:23
%S 2,8,74,1634,85310,10437240,2995361770,2013609204094,3172028798241544,
%T 11706071393300493820,101212810609370065235246,
%U 2050164710762566420019514822
%N Number of n X n 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 2 or 4 1's.
%C Diagonal of A295379.
%e Some solutions for n=5
%e ..0..1..0..0..0. .0..0..0..1..0. .0..0..0..0..0. .0..0..1..1..0
%e ..0..0..0..1..0. .1..0..0..0..0. .0..0..1..0..1. .1..0..1..1..1
%e ..0..0..1..0..0. .0..1..0..1..0. .0..1..0..1..0. .0..0..0..1..1
%e ..0..0..0..0..0. .1..0..1..0..0. .0..0..0..0..0. .0..0..0..0..0
%e ..0..0..1..0..1. .0..0..0..1..0. .0..1..0..1..0. .0..0..1..0..0
%Y Cf. A295379.
%K nonn
%O 1,1
%A _R. H. Hardin_, Nov 21 2017
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