A265963 Number of nX4 integer arrays with each element equal to the number of horizontal, vertical and antidiagonal neighbors less than or equal to itself.

7, 1491, 5582, 1111758, 74291246, 4880049141, 389508194942, 27699226366664, 2042688438853046, 150861160228667273, 11013390296591173682, 811261309191888128929, 59501169321682017016007, 4370561055048721695182562

Offset

1,1

Comments

Column 4 of A265965.

Links

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

Example

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

Crossrefs

Cf. A265965.

Sequence in context: A144676 A243232 A362060 * A191957 A125537 A264742

Adjacent sequences: A265960 A265961 A265962 * A265964 A265965 A265966

Keyword

nonn

Author

R. H. Hardin, Dec 19 2015

Status

approved