A232707 Number of (n+1)X(2+1) 0..3 arrays x(i,j) with row sums sum{j^2*x(i,j), j=1..2+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..n+1} nondecreasing

542, 13471, 254980, 3880262, 49992862, 560453801, 5577852948, 50123631166, 412062537867

Offset

1,1

Comments

Column 2 of A232708

Links

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

Example

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

Crossrefs

Sequence in context: A331642 A263065 A325217 * A334771 A163764 A268146

Adjacent sequences: A232704 A232705 A232706 * A232708 A232709 A232710

Keyword

nonn

Author

R. H. Hardin, Nov 28 2013

Status

approved