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%I
%S 0,4,0,11,781,3950,17377,8695221,359275256,26141521994
%N Number of n X n 0..1 arrays with every element equal to 1, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.
%C Diagonal of A298712.
%e Some solutions for n=5
%e ..0..1..1..0..0. .0..1..1..0..1. .0..1..0..0..1. .0..1..1..0..1
%e ..1..0..1..1..1. .0..1..1..0..1. .1..0..0..0..1. .0..1..1..0..1
%e ..1..1..1..1..1. .1..1..1..1..1. .0..0..0..0..0. .1..1..1..1..1
%e ..0..1..1..0..0. .0..1..1..1..0. .0..1..0..1..0. .0..1..1..1..1
%e ..0..1..1..1..1. .0..1..1..0..1. .0..1..0..1..0. .1..0..1..0..0
%Y Cf. A298712.
%K nonn
%O 1,2
%A _R. H. Hardin_, Jan 25 2018
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