A219833 Number of 6Xn 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..3 6Xn array

84, 1231, 84635, 4032736, 170199321, 6596370468

Offset

1,1

Comments

Row 6 of A219828

Links

Table of n, a(n) for n=1..6.

Example

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

Crossrefs

Sequence in context: A220210 A092719 A219944 * A163592 A244910 A277784

Adjacent sequences: A219830 A219831 A219832 * A219834 A219835 A219836

Keyword

nonn

Author

R. H. Hardin Nov 28 2012

Status

approved