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%I #7 Jan 14 2017 01:57:24
%S 44,35524,347812760,71621126116404,240125119409366897752
%N Number of (n+1) X (n+1) 0..3 arrays with equal numbers of 2 X 2 subblocks with sum over 6 and with sum under 6.
%C Diagonal of A183756.
%e Some solutions for 3 X 3:
%e ..1..1..0....3..0..0....3..3..1....0..1..0....3..3..2....2..1..3....0..3..0
%e ..3..3..0....2..2..0....1..0..3....2..3..0....1..2..0....1..3..1....3..1..1
%e ..2..0..1....1..1..3....3..1..1....0..3..0....0..2..1....0..0..1....1..2..1
%e ...
%e ...P..M.......P..M.......P..P.......E..M.......P..P.......P..P.......P..M...
%e ...P..M.......E..E.......M..M.......P..E.......M..M.......M..M.......P..M...
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 06 2011
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