A219456 - OEIS

A219456

Number of nX4 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..3 nX4 array

20, 26, 498, 3422, 27967, 197308, 1324860, 8405212, 51417327, 303703636, 1731421125, 9525742325, 50654533963, 260914306516, 1304341448963, 6337774514024, 29964888604613, 137989085373438, 619551753355165

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 4 of A219460

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..47

EXAMPLE

Some solutions for n=3

..0..0..0..2....0..0..1..1....1..1..1..2....0..0..1..2....0..0..0..3

..0..0..0..2....0..0..1..1....1..1..1..2....0..0..1..2....0..0..0..2

..1..1..1..2....2..2..1..1....1..1..1..3....2..2..2..3....2..2..2..2