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A266039
Number of 7Xn integer arrays with each element equal to the number of horizontal and antidiagonal neighbors less than itself.
0
1, 28399, 4281953, 1092258910, 2834665076351, 3378465528248312, 2672754315229290867, 2885006038907419657005, 3406933202847384254604064, 3651897242188721504759323539, 3891936445111406106603971681928
OFFSET
1,2
COMMENTS
Row 7 of A266033.
EXAMPLE
Some solutions for n=2
..1..0....0..1....0..0....0..1....0..2....1..0....0..2....0..0....0..1....0..2
..2..0....1..0....0..1....2..0....0..0....0..2....1..0....2..0....1..0....0..1
..0..0....2..1....2..0....2..0....1..2....1..0....0..2....2..1....0..0....2..0
..0..2....0..1....0..1....1..2....0..2....2..1....0..2....0..1....2..0....2..0
..0..2....2..0....1..0....0..0....0..0....0..0....0..0....2..0....1..1....2..0
..1..0....0..1....0..2....2..0....0..2....0..1....1..1....1..1....0..2....2..0
..0..0....2..0....1..0....0..0....0..1....1..0....0..1....0..0....0..0....0..1
CROSSREFS
Cf. A266033.
Sequence in context: A234087 A049052 A355712 * A202614 A270855 A250992
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 20 2015
STATUS
approved