A232785 Number of (n+1)X(2+1) 0..2 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

112, 1169, 9819, 65492, 373614, 1844746, 8112547, 32677547, 121501353, 420214245, 1363008851, 4172832963, 12132314728, 33690630877, 89752858929, 230127202027

Offset

1,1

Comments

Column 2 of A232787

Links

Table of n, a(n) for n=1..16.

Example

Some solutions for n=4
..0..2..0....1..1..0....1..0..0....0..2..0....0..0..0....2..0..1....1..1..0
..0..2..0....1..1..0....0..0..1....1..2..1....0..0..0....2..1..1....1..2..0
..1..2..1....1..1..0....1..0..1....0..0..2....0..1..1....2..2..1....0..0..1
..2..2..1....0..1..2....2..1..1....2..2..2....0..0..2....2..0..2....1..2..2
..1..1..2....1..1..2....1..2..2....2..2..2....1..2..2....0..2..2....2..2..2

Crossrefs

Sequence in context: A249004 A249469 A234673 * A232850 A233115 A188152

Adjacent sequences: A232782 A232783 A232784 * A232786 A232787 A232788

Keyword

nonn

Author

R. H. Hardin, Nov 30 2013

Status

approved