%I #5 Mar 31 2012 12:35:55
%S 81,309,977,3309,10449,35565,118097,418461,1476081,5460909
%N Number of (n+1)X(n+1) 0..2 arrays with all 2X2 subblock sums the same
%C Diagonal of A184003
%e Some solutions for 3X3
%e ..2..0..2....1..0..2....0..2..0....2..0..2....1..1..1....0..0..0....0..2..0
%e ..0..2..0....2..0..1....2..0..2....2..1..2....2..2..2....1..0..1....2..2..2
%e ..2..0..2....1..0..2....1..1..1....2..0..2....2..0..2....0..0..0....1..1..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 08 2011
|