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A224112 Number of nX4 0..3 arrays with row sums and column sums unimodal 0
130, 29922, 5286827, 762031090, 93991412090, 10255460738958, 1013220280453733, 92210504283006019, 7831312042691678373, 627005888003354035318 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A224113

LINKS

Table of n, a(n) for n=1..10.

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A223797 A243480 A223662 * A184283 A246242 A001331

Adjacent sequences:  A224109 A224110 A224111 * A224113 A224114 A224115

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 31 2013

STATUS

approved

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Last modified August 18 22:51 EDT 2022. Contains 356215 sequences. (Running on oeis4.)