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%I #6 Apr 26 2020 21:08:54
%S 1,5,31,274,13543,1154298,222799447,143300513381,227497889396792
%N Number of n X n 0..1 arrays with each 1 adjacent to 2, 4 or 5 king-move neighboring 1's.
%C Diagonal of A296974.
%e Some solutions for n=5
%e ..0..0..0..0..0. .0..0..1..1..1. .0..0..1..1..1. .1..1..0..1..1
%e ..0..1..1..1..0. .0..0..1..0..1. .0..1..1..1..0. .0..1..0..1..0
%e ..1..0..0..0..1. .1..0..0..0..0. .1..1..0..0..0. .0..1..1..0..1
%e ..0..1..1..1..0. .1..1..0..1..1. .1..1..0..0..0. .1..0..1..1..0
%e ..1..1..1..1..1. .0..0..0..1..0. .1..0..0..0..0. .0..1..0..1..0
%Y Cf. A296974.
%K nonn
%O 1,2
%A _R. H. Hardin_, Dec 22 2017
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