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A233373 Number of (n+1)X(2+1) 0..2 arrays x(i,j) with row sums sum{x(i,j), j=1..2+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..n+1} nondecreasing 0
98, 1046, 10496, 100400, 905636, 7828287, 65352179, 530462028, 4209012649, 32785741523, 251523868602 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A233374

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A184608 A088736 A292552 * A221747 A190636 A019563

Adjacent sequences:  A233370 A233371 A233372 * A233374 A233375 A233376

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 08 2013

STATUS

approved

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Last modified February 24 22:04 EST 2020. Contains 332216 sequences. (Running on oeis4.)