%I #8 Jan 15 2017 11:47:05
%S 639129,829488619,1426003404195,2669694620697299,5196551724167646157,
%T 10344463877985567114685,20903404048556272844034529
%N Number of (n+1) X 7 0..2 arrays with equal numbers of 2 X 2 subblocks with sum over 4 and with sum under 4.
%C Column 6 of A183748.
%e Some solutions for 3 X 7:
%e ..0..0..0..1..1..0..2....0..0..0..1..2..0..0....0..0..0..1..0..1..0
%e ..0..0..0..1..1..2..2....0..0..0..2..2..2..2....0..0..0..2..2..2..1
%e ..0..0..2..2..1..2..2....0..0..0..2..0..2..1....0..0..0..2..2..2..2
%e ...
%e ...M..M..M..E..E..P.......M..M..M..P..P..E.......M..M..M..P..P..E...
%e ...M..M..P..P..P..P.......M..M..E..P..P..P.......M..M..E..P..P..P...
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 06 2011
|