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%I #6 Apr 26 2020 20:40:24
%S 2,11,131,4163,305430,55930891,25000646212,27295999984619,
%T 72988931277612942,477182559947251724928,7632223466274455982169083,
%U 298610649015649904265150954293,28578493893088208888472545213927279
%N Number of n X n 0..1 arrays with no 1 equal to more than one of its horizontal, vertical and antidiagonal neighbors.
%C Diagonal of A282862.
%e Some solutions for n=4
%e ..0..0..1..1. .0..0..0..1. .0..0..0..1. .0..0..0..0. .0..0..1..1
%e ..1..0..0..0. .1..0..0..1. .0..0..0..1. .0..1..1..0. .0..0..0..0
%e ..0..0..0..0. .0..1..0..0. .1..1..0..0. .0..0..0..0. .0..1..0..1
%e ..0..0..1..1. .1..0..1..0. .0..0..0..1. .1..1..0..1. .1..0..1..0
%Y Cf. A282862.
%K nonn
%O 1,1
%A _R. H. Hardin_, Feb 23 2017
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