The OEIS is supported by the many generous donors to the OEIS Foundation.
%I #5 Dec 10 2014 17:19:37
%S 49436,950384,18245824,351040004,6755376172,130017259448,
%T 2502492993696,48167226337576,927113629971008,17844946696018556,
%U 343477167921733468,6611204871172789048,127251643536600580376,2449323790014472880500
%N Number of (n+2)X(1+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 2 or 7
%C Column 1 of A251912
%H R. H. Hardin, <a href="/A251910/b251910.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=1
%e ..3..0..0....2..1..1....2..2..1....0..2..1....0..1..2....3..2..3....2..1..3
%e ..0..3..0....1..2..3....2..3..1....1..0..2....0..3..2....3..3..2....1..0..3
%e ..3..2..0....0..1..0....0..3..3....0..2..1....3..0..2....0..1..0....2..2..2
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 10 2014