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%I #4 Mar 31 2012 12:36:34
%S 6,3521,3050721,5870175231,15022218265442
%N Number of nX6 0..6 arrays with values 0..6 introduced in row major order and each element equal to at least one horizontal or vertical neighbor
%C Column 6 of A198654
%e Some solutions with all values 0 to 6 for n=3
%e ..0..0..1..1..2..2....0..1..2..2..3..3....0..0..0..1..2..2....0..0..1..2..3..3
%e ..3..3..4..5..4..6....0..1..3..3..4..5....3..3..4..1..5..5....3..4..1..2..5..5
%e ..6..6..4..5..4..6....3..3..6..6..4..5....2..2..4..6..6..6....3..4..4..6..6..6
%K nonn
%O 1,1
%A _R. H. Hardin_ Oct 28 2011