A232858 Number of (n+1)X(5+1) 0..1 arrays x(i,j) with row sums sum{j^3*x(i,j), j=1..5+1} nondecreasing, and column sums sum{i^3*x(i,j), i=1..n+1} nondecreasing

61, 755, 11445, 178630, 2547039, 29338491, 266176765, 2040969695, 14195455926, 95355497624, 626245063454

Offset

1,1

Comments

Column 5 of A232860

Links

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

Example

Some solutions for n=4
..0..0..1..1..1..0....0..1..0..1..0..0....0..0..0..1..1..1....0..1..1..0..0..0
..1..0..1..0..0..1....1..0..0..0..1..1....1..1..0..1..1..1....0..0..0..1..1..0
..0..1..1..0..1..1....0..0..1..1..1..1....0..0..1..1..1..1....1..0..1..1..1..0
..0..1..1..0..1..1....0..0..1..1..1..1....0..0..1..1..1..1....0..1..0..0..0..1
..0..0..0..1..1..1....0..1..1..1..1..1....1..1..1..1..1..1....0..0..1..1..1..1

Crossrefs

Sequence in context: A086945 A142365 A251426 * A093473 A000506 A008358

Adjacent sequences: A232855 A232856 A232857 * A232859 A232860 A232861

Keyword

nonn

Author

R. H. Hardin, Dec 01 2013

Status

approved