A266129 Number of nX6 integer arrays with each element equal to the number of horizontal, diagonal and antidiagonal neighbors exactly one smaller than itself.

16, 625, 1959, 44623, 1285961, 13689944, 311260836, 6688962679, 100184677192, 2265417750456, 45483452144968, 770435712461338, 16815081540198455, 333162387132057777, 5991913305292420418, 126615975061832318833

Offset

1,1

Comments

Column 6 of A266131.

Links

R. H. Hardin, Table of n, a(n) for n = 1..74

Example

Some solutions for n=4
..0..2..1..1..1..1....0..1..1..0..2..1....1..0..1..2..1..0....0..2..1..1..2..0
..1..0..2..2..0..0....2..3..2..3..0..1....1..1..2..1..0..1....1..0..2..2..0..1
..0..1..3..2..0..0....1..1..2..2..1..0....0..2..2..0..1..2....1..1..2..3..1..2
..1..0..1..2..1..1....0..0..1..1..0..1....1..0..0..2..1..2....0..1..2..0..1..2

Crossrefs

Cf. A266131.

Sequence in context: A265638 A307943 A171210 * A174336 A135786 A016792

Adjacent sequences: A266126 A266127 A266128 * A266130 A266131 A266132

Keyword

nonn

Author

R. H. Hardin, Dec 21 2015

Status

approved