A224062 Number of nX6 0..3 arrays with rows, columns and antidiagonals unimodal and diagonals nondecreasing

610, 59792, 1557606, 21167501, 200974242, 1573171210, 11060805360, 72498474377, 448019196499, 2610730742471, 14308688695540, 73630728965911, 355779874654006, 1617038472236418, 6933004209446591, 28139119355529508

Offset

1,1

Comments

Column 6 of A224064

Links

R. H. Hardin, Table of n, a(n) for n = 1..23

Example

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

Crossrefs

Sequence in context: A224171 A223862 A223985 * A224048 A224279 A224202

Adjacent sequences: A224059 A224060 A224061 * A224063 A224064 A224065

Keyword

nonn

Author

R. H. Hardin Mar 30 2013

Status

approved