A220151 Number of nX6 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..2 nX6 array

21, 137, 1413, 16110, 214767, 3057777, 42648602, 564936966, 7083618786, 84318189822, 956390845855, 10375891940786, 108038550060777, 1082857046843897, 10473029871107227, 97945268899475975, 887304577889584770

Offset

1,1

Comments

Column 6 of A220153

Links

R. H. Hardin, Table of n, a(n) for n = 1..27

Example

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

Crossrefs

Sequence in context: A126489 A033595 A220388 * A337899 A200987 A107731

Adjacent sequences: A220148 A220149 A220150 * A220152 A220153 A220154

Keyword

nonn

Author

R. H. Hardin Dec 06 2012

Status

approved