%I #6 May 03 2020 15:32:01
%S 1,5,49,624,19187,1995817,424461759,156485261895,131486609293366,
%T 286750273002748274,1339067174781497822377
%N Number of n X n 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 or 3 neighboring 1's.
%C Diagonal of A297519.
%e Some solutions for n=5
%e ..0..1..0..1..1. .0..1..0..1..1. .0..0..1..0..0. .0..0..1..0..0
%e ..1..0..0..0..0. .1..1..0..0..0. .1..1..0..0..0. .0..0..0..1..1
%e ..0..0..0..1..0. .0..1..0..1..0. .1..0..0..0..0. .1..1..0..0..1
%e ..1..1..0..1..1. .0..0..0..0..1. .0..0..1..1..1. .0..0..0..0..0
%e ..0..0..0..1..0. .1..1..0..0..0. .0..0..0..0..1. .0..0..0..0..0
%Y Cf. A297519.
%K nonn
%O 1,2
%A _R. H. Hardin_, Dec 31 2017
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