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%I #6 Apr 26 2020 20:43:37
%S 2,11,127,4089,282773,49760703,20707472573,20600904514660,
%T 49733650804666451,286285861465088790415,3974820937067425803238060,
%U 132436400028311259382055434539,10601199973430473477383046531697322
%N Number of n X n 0..1 arrays with no 1 equal to more than one of its horizontal, diagonal and antidiagonal neighbors.
%C Diagonal of A283543.
%e Some solutions for n=4
%e ..0..1..0..1. .1..0..0..0. .1..0..1..0. .1..0..1..0. .0..0..0..0
%e ..0..0..0..0. .1..0..0..1. .0..0..0..1. .0..0..0..0. .0..0..0..0
%e ..1..0..0..0. .0..0..0..1. .0..0..0..0. .0..0..0..1. .0..0..1..0
%e ..1..0..0..0. .1..0..1..0. .0..0..0..1. .0..0..0..0. .1..0..1..0
%Y Cf. A283543.
%K nonn
%O 1,1
%A _R. H. Hardin_, Mar 10 2017