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%I #4 Mar 31 2012 12:35:53
%S 631784,1931680,7003928,28648864,128141624,614337760
%N Number of (n+1)X6 0..7 arrays with every 2x2 subblock summing to 14
%C Column 5 of A183680
%e Some solutions for 3X6
%e ..6..2..4..0..7..4....2..0..6..4..1..5....2..0..6..6..6..3....4..3..0..4..2..4
%e ..2..4..4..6..1..2....6..6..2..2..7..1....6..6..2..0..2..3....2..5..6..4..4..4
%e ..5..3..3..1..6..5....1..1..5..5..0..6....1..1..5..7..5..4....5..2..1..3..3..3
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 06 2011