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A233047 Number of (n+1)X(2+1) 0..2 arrays x(i,j) with row sums sum{j*x(i,j), j=1..2+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..n+1} nondecreasing 0
106, 1112, 10029, 76535, 517022, 3217676, 18578380, 100647587, 516316181, 2528508107, 11904710641, 54154100914, 239082417572 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A233049

LINKS

Table of n, a(n) for n=1..13.

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A188837 A184217 A184209 * A206755 A200969 A234413

Adjacent sequences:  A233044 A233045 A233046 * A233048 A233049 A233050

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 03 2013

STATUS

approved

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Last modified August 16 10:10 EDT 2022. Contains 356161 sequences. (Running on oeis4.)