A219599 Number of 6Xn arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 6Xn array

21, 151, 1739, 16117, 164075, 1767430, 18945258, 197089634, 1981970463, 19358161454, 184190226523, 1706892195059, 15388946333957, 134892703836856, 1149449915830010, 9523092771838241

Offset

1,1

Comments

Row 6 of A219595

Links

Table of n, a(n) for n=1..16.

Example

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

Crossrefs

Sequence in context: A241697 A358994 A239569 * A221694 A229262 A184376

Adjacent sequences: A219596 A219597 A219598 * A219600 A219601 A219602

Keyword

nonn

Author

R. H. Hardin Nov 23 2012

Status

approved