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A223849 Number of nX7 0..3 arrays with rows and columns unimodal 0
1163, 1352569, 570145144, 106061178908, 10609537390768, 655695544507798, 27578655986218632, 846185728339283486 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A223850

LINKS

Table of n, a(n) for n=1..8.

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A224203 A223761 A223875 * A223800 A244428 A221350

Adjacent sequences:  A223846 A223847 A223848 * A223850 A223851 A223852

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 27 2013

STATUS

approved

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Last modified June 25 12:30 EDT 2022. Contains 354851 sequences. (Running on oeis4.)