%I #6 Apr 26 2020 21:06:08
%S 1,11,126,4251,458494,114153198,76925689840,140147361921752,
%T 663354662878523133,8315652944981928201257
%N Number of n X n 0..1 arrays with each 1 adjacent to 1, 2 or 4 king-move neighboring 1's.
%C Diagonal of A296739.
%e Some solutions for n=5
%e ..0..0..0..0..1. .0..0..0..0..1. .1..0..0..0..1. .1..0..0..0..1
%e ..1..1..0..0..1. .1..1..0..1..0. .1..0..1..1..0. .0..1..0..0..1
%e ..0..0..0..0..1. .1..0..0..1..0. .1..0..0..0..0. .0..0..0..0..1
%e ..0..0..0..0..0. .1..1..0..1..0. .0..0..1..1..0. .0..0..1..0..1
%e ..1..1..0..0..0. .0..0..0..0..1. .0..1..0..0..0. .1..1..0..1..0
%Y Cf. A296739.
%K nonn
%O 1,2
%A _R. H. Hardin_, Dec 19 2017
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