A219819 Number of 5Xn arrays of the minimum value of corresponding elements and their horizontal, vertical or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 5Xn array

15, 61, 414, 2237, 11395, 57848, 283334, 1322739, 5913303, 25562453, 107535218, 441227618, 1766804332, 6908136010, 26396854433, 98669023733, 361096551789, 1294776383753, 4551637594734, 15696174943041, 53127052915296

Offset

1,1

Comments

Row 5 of A219816

Links

R. H. Hardin, Table of n, a(n) for n = 1..25

Example

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

Crossrefs

Sequence in context: A041432 A072201 A218811 * A157446 A220084 A240711

Adjacent sequences: A219816 A219817 A219818 * A219820 A219821 A219822

Keyword

nonn

Author

R. H. Hardin Nov 28 2012

Status

approved