A226426 Number of nondecreasing -n..n vectors of length 5 whose dot product with some lexicographically greater or equal nondecreasing -n..n vector equals 5

6, 88, 365, 968, 2560, 4932, 9546, 16367, 27678, 43394, 67854, 98326, 144309, 200321, 278115, 371542, 499528, 644096, 840137, 1061587, 1344879

Offset

1,1

Comments

Row 5 of A226422

Links

Table of n, a(n) for n=1..21.

Example

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

Crossrefs

Sequence in context: A171207 A173224 A210012 * A210005 A178296 A122770

Adjacent sequences: A226423 A226424 A226425 * A226427 A226428 A226429

Keyword

nonn

Author

R. H. Hardin Jun 06 2013

Status

approved