A232755 Number of (n+1)X(2+1) 0..3 arrays x(i,j) with row sums sum{j^3*x(i,j), j=1..2+1} nondecreasing, and column sums sum{i^3*x(i,j), i=1..n+1} nondecreasing

561, 14229, 268376, 3995189, 49913678, 534194881, 5028662366, 42441753755, 325352545067, 2290263041978

Offset

1,1

Comments

Column 2 of A232756

Links

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

Example

Some solutions for n=2
..0..0..0....0..0..3....3..0..1....1..3..0....1..1..1....0..0..1....0..2..2
..2..3..1....1..2..3....1..1..1....3..3..1....2..2..1....0..1..2....2..3..2
..1..1..2....1..3..3....0..1..3....0..2..3....0..1..2....0..2..2....0..0..3

Crossrefs

Sequence in context: A290485 A213071 A232761 * A264214 A083736 A182090

Adjacent sequences: A232752 A232753 A232754 * A232756 A232757 A232758

Keyword

nonn

Author

R. H. Hardin, Nov 29 2013

Status

approved