A265962 Number of nX3 integer arrays with each element equal to the number of horizontal, vertical and antidiagonal neighbors less than or equal to itself.

2, 50, 150, 5582, 59454, 809199, 12253344, 172499046, 2472824902, 35500451150, 508045097098, 7282384171365, 104368818508683, 1495505413391238, 21431556255615852, 307122975469556954, 4401164677075990109

Offset

1,1

Comments

Column 3 of A265965.

Links

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

Example

Some solutions for n=4
..0..2..1....2..1..2....0..4..1....0..4..0....0..2..3....0..2..3....1..0..1
..3..5..0....1..6..2....3..0..4....4..3..4....4..2..3....4..2..3....3..6..2
..0..6..3....2..6..0....2..1..3....0..2..4....1..6..1....2..6..2....0..6..2
..2..1..1....0..3..1....3..2..0....1..4..0....0..3..1....2..0..2....1..3..0

Crossrefs

Cf. A265965.

Sequence in context: A317819 A231082 A318426 * A318094 A226408 A226337

Adjacent sequences: A265959 A265960 A265961 * A265963 A265964 A265965

Keyword

nonn

Author

R. H. Hardin, Dec 19 2015

Status

approved