%I #6 Jan 14 2017 09:36:26
%S 2176856,5856201636,18645030828304,65704518455049396,
%T 240125119409366897752,896829958958890405161724
%N Number of (n+1) X 6 0..3 arrays with equal numbers of 2 X 2 subblocks with sum over 6 and with sum under 6.
%C Column 5 of A183756.
%e Some solutions for 3 X 6:
%e ..0..0..1..3..0..3....0..0..1..2..1..2....0..0..0..3..1..3....0..0..2..2..1..2
%e ..0..0..0..3..2..3....0..0..0..3..3..2....0..0..0..3..3..3....0..0..0..3..2..2
%e ..0..0..0..1..3..3....0..0..0..3..3..2....0..0..1..2..2..2....0..0..0..2..2..3
%e ...
%e ...M..M..P..P..P.......M..M..E..P..P.......M..M..E..P..P.......M..M..P..P..P...
%e ...M..M..M..P..P.......M..M..E..P..P.......M..M..E..P..P.......M..M..M..P..P...
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 06 2011