A252572 - OEIS

%I #4 Dec 18 2014 10:31:24

%S 5401,23007,92725,395500,2538669,11285381,53055996,337833222,

%T 1537313257,7468646942,48266349656,221948510836,1091522283798,

%U 7130961567961,32949908161991,162858861392766,1070100774007537,4955450639355900

%N Number of (n+2)X(6+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 1 2 5 6 or 7 and every 3X3 column and antidiagonal sum not equal to 1 2 5 6 or 7

%C Column 6 of A252574

%H R. H. Hardin, <a href="/A252572/b252572.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 18 2014