A233116 Number of (n+1)X(3+1) 0..2 arrays x(i,j) with row sums sum{x(i,j), j=1..3+1} nondecreasing, and column sums sum{i*x(i,j), i=1..n+1} nondecreasing

365, 9514, 252958, 6419678, 155904223, 3638300272, 82174692817, 1806479041489

Offset

1,1

Comments

Column 3 of A233117

Links

Table of n, a(n) for n=1..8.

Example

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

Crossrefs

Sequence in context: A175113 A222992 A276253 * A208433 A275357 A275147

Adjacent sequences: A233113 A233114 A233115 * A233117 A233118 A233119

Keyword

nonn

Author

R. H. Hardin, Dec 04 2013

Status

approved