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A266099
Number of nX6 integer arrays with each element equal to the number of horizontal and antidiagonal neighbors exactly one smaller than itself.
1
16, 233, 3846, 52171, 841668, 12401485, 192212829, 2895851074, 44366390231, 672954998752, 10269568494478, 156143709545549, 2379379735679900, 36209116313028044, 551475236102985343, 8394994559793315602
OFFSET
1,1
COMMENTS
Column 6 of A266101.
FORMULA
Empirical recurrence of order 72 (see link above)
EXAMPLE
Some solutions for n=4
..0..2..1..2..0..0....1..0..0..1..1..0....1..0..0..0..1..2....1..0..2..1..0..1
..1..0..1..2..0..0....1..2..2..1..0..0....1..1..1..1..1..0....1..1..1..2..1..0
..0..1..1..1..2..0....1..0..2..0..0..1....2..1..0..1..2..1....0..0..0..2..0..1
..1..0..2..1..0..0....0..1..2..1..1..0....2..1..1..0..0..1....0..0..1..1..1..0
CROSSREFS
Cf. A266101.
Sequence in context: A265469 A111096 A283853 * A264343 A283411 A161591
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 21 2015
STATUS
approved