A266031 Number of nX6 integer arrays with each element equal to the number of horizontal and antidiagonal neighbors less than itself.

55, 13796, 2045306, 408513208, 82171346791, 16683384355551, 3378465528248312, 684927787385220826, 138808963888717658013, 28134602812633017755802, 5702283377553374012400094, 1155743488848677525676248667

Offset

1,1

Comments

Column 6 of A266033.

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=2
..0..2..3..1..2..0....0..3..0..3..0..1....0..0..0..3..0..0....0..0..2..2..0..1
..1..0..0..2..0..1....1..0..1..1..3..0....1..3..0..2..3..0....0..0..1..1..3..0

Crossrefs

Cf. A266033.

Sequence in context: A221734 A268167 A363869 * A267424 A221772 A221123

Adjacent sequences: A266028 A266029 A266030 * A266032 A266033 A266034

Keyword

nonn

Author

R. H. Hardin, Dec 20 2015

Status

approved