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A232885 Number of (n+1)X(2+1) 0..3 arrays x(i,j) with row sums sum{x(i,j), j=1..2+1} nondecreasing, and column sums sum{i*x(i,j), i=1..n+1} nondecreasing 0
527, 12920, 280325, 5527323, 100945688, 1735612787, 28449815784, 448583973266, 6850991384966, 101901452399172, 1482350434485915 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A232886

LINKS

Table of n, a(n) for n=1..11.

EXAMPLE

Some solutions for n=2

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

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

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

CROSSREFS

Sequence in context: A261075 A250754 A158364 * A085329 A157475 A158365

Adjacent sequences:  A232882 A232883 A232884 * A232886 A232887 A232888

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 02 2013

STATUS

approved

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Last modified May 25 08:37 EDT 2017. Contains 287015 sequences.