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A203036
Number of 6Xn 0..3 arrays with row sums equal and column sums unequal to adjacent columns
0
4, 4780, 6829968, 13106373164, 28369308592126
OFFSET
1,1
COMMENTS
Row 6 of A203031
EXAMPLE
Some.solutions.for.n=5
..2..2..3..1..2....1..3..2..0..3....3..1..1..0..3....3..2..2..1..2
..3..2..3..2..0....1..3..1..2..2....0..2..3..3..0....2..3..0..2..3
..0..1..3..3..3....1..3..2..0..3....0..2..2..1..3....2..2..2..1..3
..1..2..3..1..3....0..2..1..3..3....2..1..2..1..2....0..1..3..3..3
..1..2..3..3..1....2..1..3..2..1....0..0..2..3..3....2..0..3..3..2
..2..2..3..0..3....0..1..2..3..3....0..1..2..2..3....3..2..1..2..2
CROSSREFS
Sequence in context: A274972 A344670 A344671 * A306962 A102205 A283663
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 27 2011
STATUS
approved