A219943 Number of 5Xn arrays of the minimum value of corresponding elements and their horizontal or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 5Xn array

56, 519, 10791, 224794, 3773045, 59049705, 871084602, 12058384658, 158313718985

Offset

1,1

Comments

Row 5 of A219939

Links

Table of n, a(n) for n=1..9.

Example

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

Crossrefs

Sequence in context: A244358 A219832 A219576 * A204832 A190536 A190070

Adjacent sequences: A219940 A219941 A219942 * A219944 A219945 A219946

Keyword

nonn

Author

R. H. Hardin Dec 01 2012

Status

approved