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A233116 Number of (n+1)X(3+1) 0..2 arrays x(i,j) with row sums sum{x(i,j), j=1..3+1} nondecreasing, and column sums sum{i*x(i,j), i=1..n+1} nondecreasing 0
365, 9514, 252958, 6419678, 155904223, 3638300272, 82174692817, 1806479041489 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A233117

LINKS

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

EXAMPLE

Some solutions for n=2

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

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

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

CROSSREFS

Sequence in context: A175113 A222992 A276253 * A208433 A275357 A275147

Adjacent sequences:  A233113 A233114 A233115 * A233117 A233118 A233119

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 04 2013

STATUS

approved

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Last modified September 22 03:20 EDT 2021. Contains 347605 sequences. (Running on oeis4.)