%I #6 Jun 15 2020 14:07:54
%S 0,4,141,13765,5491159,8486867094,49918355153525,1121607985652530679,
%T 96329415685984950438740,31617407509189875062181393315
%N Number of n X n 0..1 arrays with every element equal to 1, 2, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero.
%C Diagonal of A299067.
%e Some solutions for n=5
%e ..0..0..0..1..1. .0..0..0..0..1. .0..0..0..1..0. .0..0..0..0..0
%e ..0..0..0..1..1. .0..0..0..1..1. .0..0..0..0..1. .0..0..0..1..0
%e ..1..0..1..0..0. .1..0..1..0..1. .0..1..1..1..0. .1..0..1..0..1
%e ..0..1..0..0..1. .0..1..0..0..1. .0..1..1..0..1. .0..1..1..0..1
%e ..0..0..1..0..1. .1..0..0..0..0. .0..0..1..0..0. .0..1..1..1..1
%Y Cf. A299067.
%K nonn
%O 1,2
%A _R. H. Hardin_, Feb 01 2018
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