A224049 - OEIS

A224049

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

1163, 180821, 7655477, 153482649, 1999959111, 20096076442, 169750613182, 1265415997425, 8609328529478, 54810160645347, 332129717908612, 1933871450604161, 10857958349352084, 58782328259016090

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 7 of A224050

LINKS

Table of n, a(n) for n=1..14.

EXAMPLE

Some solutions for n=3

..0..0..0..0..0..2..0....0..0..0..0..0..1..1....0..0..0..0..0..0..0

..0..0..0..2..2..1..0....0..0..0..3..3..3..2....0..0..0..0..0..2..1

..0..0..3..2..2..0..0....0..0..3..3..3..3..3....0..0..2..2..2..2..3

CROSSREFS

Sequence in context: A223863 A223986 A224063 * A224280 A224203 A223761

Adjacent sequences: A224046 A224047 A224048 * A224050 A224051 A224052

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 01 2013

STATUS

approved