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%I #10 Apr 22 2019 01:51:13
%S 0,3,5,64,842,14760,437825,21556643,1516492860,183780175203
%N Number of n X n 0..1 arrays with every element unequal to 1, 2, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
%C Diagonal of A318552.
%e Some solutions for n=5:
%e 0 0 1 0 0 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0
%e 1 0 0 0 1 1 1 1 0 0 1 0 0 0 1 0 0 0 0 1
%e 0 0 0 0 0 0 1 1 0 1 0 0 1 1 1 0 0 1 1 1
%e 1 1 0 0 0 1 0 0 0 0 0 1 0 1 0 1 0 1 0 1
%e 1 0 0 1 0 1 0 0 1 0 0 1 1 1 1 0 1 1 1 0
%Y Cf. A318552.
%K nonn,more
%O 1,2
%A _R. H. Hardin_, Aug 28 2018
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