A202580 Number of n X 6 0..3 arrays with the row and column sums nondecreasing.

84, 102665, 123282439, 136314892664, 137822089847470

Offset

1,1

Comments

Column 6 of A202581.

Links

Table of n, a(n) for n=1..5.

Example

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

Crossrefs

Cf. A202581.

Sequence in context: A203093 A290274 A289557 * A292196 A076230 A118076

Adjacent sequences: A202577 A202578 A202579 * A202581 A202582 A202583

Keyword

nonn

Author

R. H. Hardin, Dec 21 2011

Status

approved