A252200 - OEIS

%I #4 Dec 15 2014 07:53:21

%S 10074,23265,206825,1669356,13460703,110131575,896763106,7301549086,

%T 59570598688,485457428350,3954090473125,32222610105553,

%U 262627685087281,2140187356615136,17439608164244823,142114394703257807

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

%C Column 7 of A252201

%H R. H. Hardin, <a href="/A252200/b252200.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

%e ..3..2..3..3..3..3..2..3..3....3..2..3..3..3..2..3..3..3

%e ..2..3..3..3..3..3..3..3..3....3..3..3..2..3..3..3..3..3

%e ..3..3..3..3..3..3..3..3..3....2..3..3..3..3..3..3..3..3

%e ..3..3..3..3..3..3..2..3..3....3..3..3..3..2..3..3..3..3

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 15 2014