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A266106
Number of 6Xn integer arrays with each element equal to the number of horizontal and antidiagonal neighbors exactly one smaller than itself.
1
1, 272, 3928, 26948, 457738, 12401485, 240721036, 3915407831, 72703138725, 1459414293797, 27836081746405, 518910020345998, 9822723169066292, 186833710020397058, 3546385987603510610, 67356747007063872600
OFFSET
1,2
COMMENTS
Row 6 of A266101.
LINKS
EXAMPLE
Some solutions for n=4
..0..0..1..2....0..2..1..2....1..0..2..1....1..0..2..1....1..0..0..1
..0..2..1..1....1..0..1..1....1..1..0..1....1..1..0..0....0..2..1..1
..0..0..0..0....0..2..0..1....2..1..2..0....2..1..2..0....1..0..0..0
..0..0..0..0....1..0..2..1....1..0..0..1....2..1..0..0....0..0..2..1
..1..2..0..0....0..0..0..1....0..0..1..1....2..1..2..1....1..1..0..1
..1..0..0..1....1..1..1..0....1..1..0..0....1..0..0..0....2..1..2..0
CROSSREFS
Cf. A266101.
Sequence in context: A178268 A205345 A302899 * A264077 A305683 A317063
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 21 2015
STATUS
approved