A233054 Number of (n+1)X(2+1) 0..3 arrays x(i,j) with row sums sum{j*x(i,j), j=1..2+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..n+1} nondecreasing

517, 12943, 263629, 4493649, 67014557, 897520231, 10981954879, 124582399369, 1325214468843

Offset

1,1

Comments

Column 2 of A233055

Links

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

Example

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

Crossrefs

Sequence in context: A168188 A116013 A225913 * A235305 A253308 A043380

Adjacent sequences: A233051 A233052 A233053 * A233055 A233056 A233057

Keyword

nonn

Author

R. H. Hardin, Dec 03 2013

Status

approved