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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 1
21, 35, 356, 2563, 17007, 105936, 645589, 3916436, 23461117, 137270726, 779937711, 4302009833, 23099872468, 121161612337, 622526124553, 3139050474264, 15552260613233, 75769994795381, 363254825823135, 1714827926516862 (list; graph; refs; listen; history; text; internal format)
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: A301789 A244166 A301963 * A219215 A155710 A001491

Adjacent sequences:  A219916 A219917 A219918 * A219920 A219921 A219922

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 01 2012

STATUS

approved

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Last modified May 28 04:54 EDT 2020. Contains 334671 sequences. (Running on oeis4.)