A252647 - OEIS

%I #4 Dec 19 2014 11:39:29

%S 17046,205127,1812508,5124134,62261756,625096361,1669555189,

%T 21553739771,226520460975,581961166338,7832386243774,83953331283846,

%U 211701995958291,2906623169007695,31416088548112253,78576892186118045

%N Number of (7+2)X(n+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 3 4 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 3 4 6 or 7

%C Row 7 of A252640

%H R. H. Hardin, <a href="/A252647/b252647.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

%e ..3..0..1....0..3..1....3..0..3....1..1..2....3..1..2....3..3..1....2..1..1

%e ..1..0..3....2..1..1....3..0..1....1..0..3....2..0..2....3..2..2....3..1..0

%e ..1..2..1....3..1..3....2..1..1....3..1..3....3..0..1....2..3..2....0..3..1

%e ..0..3..1....0..3..1....3..1..3....1..1..2....3..2..2....0..3..1....2..1..1

%e ..1..3..0....2..1..1....0..3..1....1..3..3....2..0..2....0..2..2....0..1..3

%e ..1..2..1....3..1..3....2..1..1....3..1..0....3..3..1....2..3..2....0..3..1

%e ..3..3..1....3..0..1....0..1..3....1..1..2....3..2..2....3..0..1....2..1..1

%e ..1..3..0....2..1..1....0..3..1....1..3..3....2..3..2....0..2..2....3..1..3

%e ..1..2..1....0..1..3....2..1..1....3..1..0....0..3..1....2..3..2....3..0..1

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 19 2014