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A233378 Number of (4+1)X(n+1) 0..2 arrays x(i,j) with row sums sum{x(i,j), j=1..n+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..4+1} nondecreasing. 0
1588, 100400, 5346837, 241678714, 9480398444, 328735086329, 10228591337373, 289091492409655 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 4 of A233374.

LINKS

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

EXAMPLE

Some solutions for n=2

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

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

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

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

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

CROSSREFS

Sequence in context: A213116 A224942 A224950 * A083631 A224938 A083632

Adjacent sequences:  A233375 A233376 A233377 * A233379 A233380 A233381

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 08 2013

STATUS

approved

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Last modified April 21 17:36 EDT 2021. Contains 343156 sequences. (Running on oeis4.)