%I #5 Feb 08 2015 11:29:06
%S 192,1369,5904,37636,296800,3316041,50676440,827137600,14800497228,
%T 375688088356,12300608282796,537256027718656,31510169714238336,
%U 2195764633971767824,171957812290330672116,18426406279700831356816
%N Number of (n+2)X(n+2) 0..1 arrays with no 3x3 subblock diagonal sum one and no antidiagonal sum two
%C Diagonal of A254854
%H R. H. Hardin, <a href="/A254846/b254846.txt">Table of n, a(n) for n = 1..20</a>
%e Some solutions for n=4
%e ..0..0..0..1..0..1....1..0..0..1..0..0....0..1..1..0..0..0....0..1..0..0..0..1
%e ..0..0..0..1..0..0....0..0..0..0..1..0....0..0..1..0..0..0....1..0..0..1..1..0
%e ..0..0..0..0..1..1....0..0..1..0..0..0....0..0..0..1..1..0....0..1..0..1..1..1
%e ..1..0..0..0..0..1....0..0..0..1..0..0....0..0..0..0..0..1....0..0..1..0..1..1
%e ..0..1..0..0..0..0....0..0..0..0..1..0....1..0..0..0..0..1....0..1..0..1..0..0
%e ..0..0..0..0..0..0....0..0..0..0..0..1....1..1..0..0..0..0....1..1..1..0..0..0
%K nonn
%O 1,1
%A _R. H. Hardin_, Feb 08 2015
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