A232859 Number of (n+1)X(6+1) 0..1 arrays x(i,j) with row sums sum{j^3*x(i,j), j=1..6+1} nondecreasing, and column sums sum{i^3*x(i,j), i=1..n+1} nondecreasing

86, 1494, 37040, 1054179, 29338491, 672737568, 12123627839, 180942639975, 2360925109300

Offset

1,1

Comments

Column 6 of A232860

Links

Table of n, a(n) for n=1..9.

Example

Some solutions for n=3
..0..0..1..0..0..0..0....1..0..0..0..0..0..0....0..0..0..1..0..0..0
..1..0..0..1..1..0..1....1..0..0..0..1..1..1....0..0..0..0..1..0..0
..0..1..0..0..0..1..1....0..0..0..1..1..1..1....0..0..0..0..0..1..1
..0..0..1..1..1..1..1....0..1..1..1..1..1..1....0..0..1..1..1..1..1

Crossrefs

Sequence in context: A254702 A206615 A242092 * A224259 A223915 A224187

Adjacent sequences: A232856 A232857 A232858 * A232860 A232861 A232862

Keyword

nonn

Author

R. H. Hardin, Dec 01 2013

Status

approved