A266060 Number of 6Xn integer arrays with each element equal to the number of horizontal and antidiagonal neighbors less than or equal to itself.

1, 3927, 284, 406412, 1354845965, 162959704686, 30258541759225, 12768467508350730, 4511437445589247247, 1290530321424309477831, 393446152908760499011581, 125947934598003145408206493

Offset

1,2

Comments

Row 6 of A266055.

Links

R. H. Hardin, Table of n, a(n) for n = 1..32

Example

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

Crossrefs

Cf. A266055.

Sequence in context: A136459 A235315 A229642 * A034283 A335789 A250671

Adjacent sequences: A266057 A266058 A266059 * A266061 A266062 A266063

Keyword

nonn

Author

R. H. Hardin, Dec 20 2015

Status

approved