A224063 Number of nX7 0..3 arrays with rows, columns and antidiagonals unimodal and diagonals nondecreasing

1163, 180821, 6643979, 114643788, 1274747540, 11060805360, 83942450048, 591725806925, 3973992584299, 25579886531225, 157381574935619, 920939113739591

Offset

1,1

Comments

Column 7 of A224064

Links

Table of n, a(n) for n=1..12.

Example

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

Crossrefs

Sequence in context: A224172 A223863 A223986 * A224049 A224280 A224203

Adjacent sequences: A224060 A224061 A224062 * A224064 A224065 A224066

Keyword

nonn

Author

R. H. Hardin Mar 30 2013

Status

approved