A184135 Number of nX7 0..2 arrays with rows and columns in nondecreasing order

36, 5217, 2126064, 1235699769, 692646032166, 330480778987068, 132171590850720635, 44958654878873680385, 13254294130125564125813, 3443901257202394752536535, 799652347582827921456558772

Offset

1,1

Comments

Column 7 of A184137

Links

R. H. Hardin, Table of n, a(n) for n = 1..116

Example

Some solutions for 3X7
..0..0..0..0..2..2..2....0..0..0..0..0..2..2....0..0..0..0..1..2..2
..0..0..1..1..0..1..2....0..0..1..1..2..1..2....0..0..0..0..2..0..1
..0..0..1..1..2..0..1....0..1..1..1..1..2..0....0..1..1..2..1..0..0

Crossrefs

Sequence in context: A270506 A299698 A203752 * A275050 A222336 A291975

Adjacent sequences: A184132 A184133 A184134 * A184136 A184137 A184138

Keyword

nonn

Author

R. H. Hardin Jan 09 2011

Status

approved