A223761 Number of nX7 0..3 arrays with rows, antidiagonals and columns unimodal

1163, 1352569, 477860225, 70657105931, 5733827943118, 298630624023222, 10962346407561257, 301938629597593741, 6529314611297747401, 114748898336983659524

Offset

1,1

Comments

Column 7 of A223762

Links

Table of n, a(n) for n=1..10.

Example

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

Crossrefs

Sequence in context: A224049 A224280 A224203 * A223875 A223849 A223800

Adjacent sequences: A223758 A223759 A223760 * A223762 A223763 A223764

Keyword

nonn

Author

R. H. Hardin Mar 27 2013

Status

approved