A219719 Number of 6Xn arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 6Xn array

84, 813, 46026, 2326019, 90220424, 3084196884, 97254386205, 2967414621107

Offset

1,1

Comments

Row 6 of A219714

Links

Table of n, a(n) for n=1..8.

Example

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

Crossrefs

Sequence in context: A230907 A220016 A219827 * A069080 A219577 A093284

Adjacent sequences: A219716 A219717 A219718 * A219720 A219721 A219722

Keyword

nonn

Author

R. H. Hardin Nov 26 2012

Status

approved