|
%I #4 Mar 31 2012 12:36:57
%S 26,16,1430,20000,584450,37380604,126312616,51978629884,1008504232796
%N Number of nX4 0..2 arrays with the counts of all possible adjacent horizontal and vertical pair sum values being within one of each other
%C Column 4 of A203600
%e Some solutions for n=4
%e ..2..0..1..0....2..2..1..2....2..2..2..2....0..2..2..0....0..0..2..0
%e ..2..2..0..0....2..2..1..0....0..1..0..2....0..1..2..2....0..0..1..0
%e ..1..2..0..0....2..0..1..0....0..0..1..1....0..0..1..2....1..2..2..1
%e ..2..2..1..1....1..0..0..0....0..0..2..2....0..1..1..2....2..2..2..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 03 2012
| 