A219919 Number of 6Xn arrays of the minimum value of corresponding elements and their horizontal, diagonal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 6Xn array

21, 35, 356, 2563, 17007, 105936, 645589, 3916436, 23461117, 137270726, 779937711, 4302009833, 23099872468, 121161612337, 622526124553, 3139050474264, 15552260613233, 75769994795381, 363254825823135, 1714827926516862

Offset

1,1

Comments

Row 6 of A219915

Links

R. H. Hardin, Table of n, a(n) for n = 1..24

Example

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

Crossrefs

Sequence in context: A379224 A244166 A301963 * A219215 A342719 A155710

Adjacent sequences: A219916 A219917 A219918 * A219920 A219921 A219922

Keyword

nonn

Author

R. H. Hardin Dec 01 2012

Status

approved