A233305 Number of (5+1) X (n+1) 0..1 arrays x(i,j) with row sums Sum_{j=1..n+1} x(i,j) nondecreasing, and column sums Sum_{i=1..5+1} i^2*x(i,j) nondecreasing.

129, 1739, 21856, 239330, 2353493, 20916337, 170084407, 1276676471, 8918067742, 58369345796, 360074924787, 2104323603081, 11702598417138, 62173159707627

Offset

1,1

Comments

Row 5 of A233301.

Links

Table of n, a(n) for n=1..14.

Example

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

Crossrefs

Cf. A233301.

Sequence in context: A251095 A329727 A209532 * A268266 A230187 A240417

Adjacent sequences: A233302 A233303 A233304 * A233306 A233307 A233308

Keyword

nonn

Author

R. H. Hardin, Dec 07 2013

Status

approved