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%I #5 Dec 18 2015 18:18:27
%S 1,3,13,465,19766,4479721,1139211468,1529339764557,2262949907256195,
%T 17477638597595547101,147986778995780201368346,
%U 6492535454463031607390365256
%N Number of n X n 0..1 arrays with exactly floor(n X n/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..1 order
%C Diagonal of A222769
%e Some solutions for n=3
%e ..0..0..0....0..0..0....0..0..1....0..0..0....0..1..0....0..0..0....0..1..1
%e ..0..0..1....1..1..1....0..1..1....0..0..1....1..1..1....0..0..1....0..1..1
%e ..0..1..1....1..1..1....1..1..1....0..0..1....1..1..1....1..0..0....1..1..1
%K nonn
%O 1,2
%A _R. H. Hardin_ Mar 05 2013
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