Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
%I #4 Dec 12 2014 07:23:23
%S 6881308,782954632,13277304274,98312125934,1633057450764,
%T 41357385753908,692955339504464,11055555514035680,205164115130904298,
%U 3720828179140603290,64524367873316788320,1142575985619965697994
%N Number of (n+2)X(7+2) 0..3 arrays with every 3X3 subblock row and column sum not 0 1 2 7 8 or 9 and every diagonal and antidiagonal sum 0 1 2 7 8 or 9
%C Column 7 of A251983
%H R. H. Hardin, <a href="/A251982/b251982.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=1
%e ..1..2..0..3..0..3..0..3..0....1..2..0..3..0..3..0..3..1
%e ..1..0..3..1..2..0..3..0..3....1..0..3..0..2..1..3..0..3
%e ..1..2..0..2..1..3..0..2..1....1..2..0..3..1..2..0..2..1
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 12 2014