%I #6 Sep 16 2020 18:54:49
%S 1,2,31,77,6580,330505,188443738,169314399506,675015247638492
%N Number of n X n 0..1 arrays with every element equal to 0, 2, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
%C Diagonal of A302367.
%e Some solutions for n=5
%e ..0..1..1..0..0. .0..1..1..0..0. .0..0..0..0..0. .0..0..1..1..0
%e ..1..1..0..0..1. .0..1..1..0..0. .1..0..1..0..0. .0..0..1..1..1
%e ..0..1..0..0..0. .1..1..1..0..1. .0..0..1..0..1. .0..0..1..1..0
%e ..1..1..1..0..1. .0..1..1..0..0. .0..0..1..0..0. .1..0..0..1..1
%e ..1..1..1..0..1. .1..1..0..0..1. .1..0..0..0..0. .0..0..1..1..0
%Y Cf. A302367.
%K nonn
%O 1,2
%A _R. H. Hardin_, Apr 06 2018
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