A219807 Number of 6Xn 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 nonincreasing columns, 0..3 6Xn array

56, 116, 3227, 52704, 840315, 12642165, 186308295, 2698382566, 37993752219, 515096792943, 6705513923385, 84047907114772

Offset

1,1

Comments

Row 6 of A219802

Links

Table of n, a(n) for n=1..12.

Example

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

Crossrefs

Sequence in context: A360332 A360356 A063347 * A219458 A054891 A118161

Adjacent sequences: A219804 A219805 A219806 * A219808 A219809 A219810

Keyword

nonn

Author

R. H. Hardin Nov 28 2012

Status

approved