%I #4 Nov 06 2013 07:52:10
%S 2,15,304,19503,3130708,1350570015,1496478177166,4339950773804841,
%T 32510127329051575349,631327524382609726232392,
%U 31694391041907948471880253567
%N Number of (n+1)X(n+1) 0..2 arrays with no element unequal to a strict majority of its horizontal and antidiagonal neighbors, with values 0..2 introduced in row major order
%C Diagonal of A231263
%e Some solutions for n=3
%e ..0..0..0..0....0..0..1..1....0..0..1..1....0..0..0..0....0..0..0..1
%e ..1..1..1..1....0..1..1..2....0..1..1..2....1..1..0..0....0..0..1..0
%e ..2..2..2..2....2..2..2..0....1..2..2..0....1..2..2..0....1..1..0..2
%e ..1..1..1..1....2..2..0..0....2..2..0..0....2..2..0..0....0..0..2..2
%K nonn
%O 1,1
%A _R. H. Hardin_, Nov 06 2013