A219626 Number of nX7 arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..2 nX7 array

28, 290, 19166, 1278800, 72702948, 3504611581, 149566037863, 5869938821256, 214703720602834, 7351193680736743, 236553335814113238, 7188010087534981493, 207245179249299667005, 5694522520051954825293

Offset

1,1

Comments

Column 7 of A219627

Links

Table of n, a(n) for n=1..14.

Example

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

Crossrefs

Sequence in context: A183484 A241621 A027781 * A126662 A156711 A107942

Adjacent sequences: A219623 A219624 A219625 * A219627 A219628 A219629

Keyword

nonn

Author

R. H. Hardin Nov 24 2012

Status

approved