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A232876
Number of (n+1)X(6+1) 0..1 arrays x(i,j) with row sums sum{j^2*x(i,j), j=1..6+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..n+1} nondecreasing
0
81, 1235, 26553, 706994, 16272765, 330663907, 5853344894, 94722968640
OFFSET
1,1
COMMENTS
Column 6 of A232877
EXAMPLE
Some solutions for n=3
..0..0..0..0..0..0..1....1..0..1..0..0..0..0....0..1..1..0..0..1..0
..0..1..1..0..0..0..1....0..1..1..0..0..0..1....1..0..0..0..0..0..1
..0..0..0..1..0..1..1....0..0..0..1..1..1..1....0..0..0..1..1..1..1
..0..0..0..0..1..1..1....0..1..1..1..1..1..1....0..1..1..1..1..1..1
CROSSREFS
Sequence in context: A230677 A231994 A236790 * A378164 A224355 A016768
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 01 2013
STATUS
approved