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A232875 Number of (n+1)X(5+1) 0..1 arrays x(i,j) with row sums sum{j^2*x(i,j), j=1..5+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..n+1} nondecreasing 0
57, 637, 8988, 133532, 1604460, 16272765, 146502363, 1233883972, 9794613332, 73409666932 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A232877

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A264240 A166392 A195606 * A084220 A060891 A241967

Adjacent sequences:  A232872 A232873 A232874 * A232876 A232877 A232878

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 01 2013

STATUS

approved

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Last modified January 26 23:05 EST 2020. Contains 331289 sequences. (Running on oeis4.)