%I #4 Sep 15 2012 12:05:10
%S 2,4,60,2957,337731,71786149,24889021634,12901134791995
%N Number of horizontal, vertical, diagonal, antidiagonal or knight-move neighbor colorings of an nX3 array with new integer colors introduced in row major order
%C Column 3 of A216760
%e Some solutions for n=4
%e ..0..1..0....0..1..2....0..1..2....0..1..2....0..1..2....0..1..2....0..1..2
%e ..2..3..4....3..4..5....3..4..5....3..4..3....3..4..5....3..4..5....3..4..5
%e ..5..1..6....6..1..7....0..6..2....2..5..2....2..1..6....2..6..2....6..7..2
%e ..7..0..2....0..8..3....7..1..3....1..0..1....5..7..0....5..0..5....8..4..8
%K nonn
%O 1,1
%A _R. H. Hardin_ Sep 15 2012
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