A220158 Number of 6Xn arrays of the minimum value of corresponding elements and their horizontal or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 6Xn array

28, 163, 2062, 24684, 279304, 3057777, 32566283, 333052410, 3282105763, 31220019553

Offset

1,1

Comments

Row 6 of A220153

Links

Table of n, a(n) for n=1..10.

Example

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

Crossrefs

Sequence in context: A255151 A184607 A215699 * A085377 A219298 A197967

Adjacent sequences: A220155 A220156 A220157 * A220159 A220160 A220161

Keyword

nonn

Author

R. H. Hardin Dec 06 2012

Status

approved