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A224048 Number of nX6 0..3 arrays with rows and columns unimodal and antidiagonals nondecreasing 1
610, 59792, 1801402, 28403642, 310514900, 2701569493, 20096076442, 133729094355, 821109158656, 4743773544158, 26052580835518, 136551839375912, 683560425650120, 3267176210453459, 14908991892646144, 64985125266087385 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A224050

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..34

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A223862 A223985 A224062 * A224279 A224202 A232323

Adjacent sequences:  A224045 A224046 A224047 * A224049 A224050 A224051

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 01 2013

STATUS

approved

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Last modified September 27 03:01 EDT 2022. Contains 357051 sequences. (Running on oeis4.)