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%I #4 Dec 20 2014 12:50:20
%S 656,630,2106,7747,96174,1404868,10457376,432468082,18264393655,
%T 223008908330,30759205997253,3752044589478219,71270194170511699,
%U 33527998766173019766,11865743162374482670070,340835456009112200117336
%N Number of (n+2)X(n+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 2 5 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 2 5 6 or 7
%C Diagonal of A252679
%e Some solutions for n=4
%e ..2..0..0..2..0..0....2..0..0..2..0..3....1..0..1..1..0..1....0..0..2..0..3..2
%e ..2..1..2..2..3..1....1..0..1..1..0..1....1..1..3..1..1..3....0..1..1..0..1..1
%e ..0..0..2..0..0..2....1..1..0..1..1..0....2..0..0..2..0..0....1..3..1..1..0..1
%e ..2..0..0..2..0..0....2..0..0..2..0..3....1..0..1..1..0..1....0..0..2..0..3..2
%e ..1..3..2..2..1..2....1..0..1..1..0..1....1..1..0..1..1..0....3..1..1..0..1..1
%e ..0..0..2..0..0..2....1..1..0..1..1..0....2..3..0..2..0..3....1..0..1..1..0..1
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 20 2014
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