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A202633
Number of nX3 0..3 arrays with adjacent row and column sums unequal
1
36, 2428, 143028, 8196796, 464590190, 26143599304, 1464347535012, 81766083532136, 4555446633690226, 253375514864780928, 14074813726276067778, 781057432128507731780, 43308319465255378496036, 2399781752411015808001612
OFFSET
1,1
COMMENTS
Column 3 of A202636
LINKS
EXAMPLE
Some solutions for n=3
..2..0..1....0..0..3....2..1..1....0..3..1....2..3..0....3..2..2....1..2..2
..2..3..3....1..2..2....3..3..3....0..2..0....1..0..2....2..3..0....1..2..1
..2..2..3....0..0..1....2..2..1....1..3..1....1..3..3....3..0..0....2..2..2
CROSSREFS
Sequence in context: A375058 A230465 A120466 * A198639 A159728 A268365
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 21 2011
STATUS
approved