A219387 Number of 7Xn arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..2 7Xn array

36, 302, 12452, 471820, 14318103, 409150493, 10160088596

Offset

1,1

Comments

Row 7 of A219381

Links

Table of n, a(n) for n=1..7.

Example

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

Crossrefs

Sequence in context: A185096 A073972 A219633 * A222860 A270601 A361187

Adjacent sequences: A219384 A219385 A219386 * A219388 A219389 A219390

Keyword

nonn

Author

R. H. Hardin Nov 19 2012

Status

approved