%I #4 Mar 31 2012 12:35:56
%S 5645,28248,1588555,114306440,11365443208,1151733506397
%N Number of (n+1)X9 0..2 arrays with rows and columns in nondecreasing order and with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one
%C Column 8 of A184081
%e Some solutions for 3X9
%e ..0..0..0..1..1..1..1..1..1....0..0..0..0..1..1..2..2..2
%e ..0..1..1..0..1..1..1..1..2....0..1..1..1..1..1..0..1..1
%e ..1..0..0..2..0..1..1..1..0....1..0..0..1..1..2..2..2..2
%e ...
%e ...1..2..2..3..4..4..4..5.......1..2..2..3..4..4..5..6...
%e ...2..2..3..3..3..4..4..4.......2..2..3..4..5..5..5..6...
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 09 2011
|