A219371 Number of nX6 arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..3 nX6 array

56, 1231, 158473, 15255786, 1107664956, 68107762118, 3886911446418

Offset

1,1

Comments

Column 6 of A219373

Links

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

Example

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

Crossrefs

Sequence in context: A002009 A140901 A160346 * A183587 A219469 A278079

Adjacent sequences: A219368 A219369 A219370 * A219372 A219373 A219374

Keyword

nonn

Author

R. H. Hardin Nov 19 2012

Status

approved