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A233364 Number of (n+1)X(5+1) 0..1 arrays x(i,j) with row sums sum{j*x(i,j), j=1..5+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..n+1} nondecreasing 0
54, 530, 6412, 91448, 1206656, 15009944, 173151602, 1874799298, 19099723173, 185262737712 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A233366

LINKS

Table of n, a(n) for n=1..10.

EXAMPLE

Some solutions for n=4

..1..1..0..1..0..0....0..1..1..0..0..0....0..0..1..0..0..0....0..0..0..0..0..0

..0..1..0..0..0..1....0..0..0..0..1..0....1..0..1..0..0..0....1..0..0..1..1..0

..0..0..1..0..0..1....0..0..0..0..0..1....0..0..1..1..0..1....0..1..1..0..1..0

..0..0..0..1..0..1....0..0..0..0..1..1....0..0..1..0..1..1....0..1..1..0..0..1

..0..0..0..0..1..1....0..0..0..1..1..1....0..1..0..1..1..1....0..0..0..1..1..1

CROSSREFS

Sequence in context: A239687 A192216 A238908 * A222968 A228016 A245833

Adjacent sequences:  A233361 A233362 A233363 * A233365 A233366 A233367

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 08 2013

STATUS

approved

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Last modified May 24 04:25 EDT 2019. Contains 323528 sequences. (Running on oeis4.)