A252288 - OEIS

%I #4 Dec 16 2014 13:09:04

%S 2525,3848,8208,20558,59767,184998,596945,1992948,6773233,23197044,

%T 79852205,275695968,953357995,3299518458,11424073467,39564145732,

%U 137045937259,474760083732,1644762043717,5698362352810,19743025335223

%N Number of (n+2)X(3+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 1 or 4

%C Column 3 of A252293

%H R. H. Hardin, <a href="/A252288/b252288.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 16 2014