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A223875 Number of nX7 0..3 arrays with rows, diagonals and antidiagonals unimodal 1
1163, 1352569, 539511985, 112751480926, 18196418303111, 2864914204785815, 484392484470533427, 87639412130515076262, 16416724973038782090075, 3109914769847317351993452, 590107761875963492888166548 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A223876

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..19

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A224280 A224203 A223761 * A223849 A223800 A244428

Adjacent sequences:  A223872 A223873 A223874 * A223876 A223877 A223878

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 28 2013

STATUS

approved

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Last modified May 22 09:43 EDT 2022. Contains 353941 sequences. (Running on oeis4.)