A223760 Number of nX6 0..3 arrays with rows, antidiagonals and columns unimodal

610, 372100, 74824917, 6754232986, 350182483445, 12025063773557, 298630624023222, 5692159574625373, 86933612444360250, 1098959847553820404, 11794801172063561487, 109687177820504204805, 898680887461860405330

Offset

1,1

Comments

Column 6 of A223762

Links

R. H. Hardin, Table of n, a(n) for n = 1..16

Example

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

Crossrefs

Sequence in context: A264070 A264022 A223810 * A223848 A223874 A223799

Adjacent sequences: A223757 A223758 A223759 * A223761 A223762 A223763

Keyword

nonn

Author

R. H. Hardin Mar 27 2013

Status

approved