%I
%S 1254,1874,3197,8425,29276,112547,446661,1835764,7371828,29451572,
%T 157491348,667705844,2844547668,89546455828,470179496916,2340994229396
%N Number of (n+2)X(n+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 0 1 3 6 or 7 and every 3X3 diagonal and antidiagonal sum equal to 0 1 3 6 or 7
%C Diagonal of A252157
%e Some solutions for n=4
%e ..3..0..2..3..3..3....3..3..3..2..3..3....3..3..3..3..2..3....3..3..2..0..2..3
%e ..3..2..0..2..0..2....2..0..2..0..2..0....3..2..0..2..0..2....3..2..0..2..0..3
%e ..3..0..2..0..2..0....0..2..0..2..0..2....2..0..2..0..2..0....2..0..2..0..2..3
%e ..3..2..0..2..0..2....2..0..2..0..2..3....3..2..0..2..0..2....0..2..0..2..0..2
%e ..2..0..2..0..2..0....0..2..0..2..0..3....3..0..2..0..2..3....2..0..2..0..2..3
%e ..0..2..0..2..0..3....2..0..2..3..3..3....3..2..3..3..3..3....0..2..3..3..3..3
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 14 2014
