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%I #6 Sep 16 2020 18:56:44
%S 1,3,11,28,90,458,4558,82857,1748514,44378638,1537387012,96444437992,
%T 9693542232011,1237134041433890,196120841811367262,
%U 47516901892945494991,19045444458145286230306
%N Number of n X n 0..1 arrays with every element equal to 0, 1, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
%C Diagonal of A302515.
%e Some solutions for n=5
%e ..0..1..0..1..0. .0..1..0..1..0. .0..1..1..1..0. .0..1..0..1..1
%e ..0..0..1..1..0. .0..0..0..1..0. .0..1..0..1..0. .0..1..0..0..0
%e ..0..1..0..1..0. .0..1..1..1..0. .0..1..0..1..0. .0..1..1..1..0
%e ..0..1..0..1..0. .0..1..0..0..0. .0..0..0..1..0. .0..0..0..1..0
%e ..0..1..1..1..0. .0..1..0..1..0. .1..1..0..1..0. .0..1..0..1..0
%Y Cf. A302515.
%K nonn
%O 1,2
%A _R. H. Hardin_, Apr 09 2018