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A224111 Number of nX3 0..3 arrays with row sums and column sums unimodal 1
50, 3060, 141112, 5286827, 169786856, 4837645361, 125243425246, 2997702534361, 67199044773027, 1425028874634334, 28814020738905085, 559067607301700698, 10463117115709609406, 189698093216997989976, 3343758094368043618098 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A224113

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..32

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A251058 A239653 A223661 * A047683 A010564 A183689

Adjacent sequences:  A224108 A224109 A224110 * A224112 A224113 A224114

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 31 2013

STATUS

approved

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Last modified June 29 21:48 EDT 2022. Contains 354913 sequences. (Running on oeis4.)