A228265 Number of third differences of arrays of length 9 of numbers in 0..n.

511, 19171, 242461, 1688101, 8003363, 28791007, 83538705, 206640895, 452873953, 905925541, 1685763043, 2956504443, 4937476981, 7911258441, 12241201127, 18381927239, 26892458313

Offset

1,1

Comments

Row 6 of A228260

Links

Table of n, a(n) for n=1..17.

Example

Some solutions for n=4
.-9..-12..-11..-10...-9..-14...-9..-13..-11..-12..-10..-11..-11..-10...-9...-9
..2....6....2....6....7....8....1....5....4...10....9...10....5....6....6....9
..4....4....5...-1...-1...-2....8...-1...-1..-12..-10..-10....0....1...-8..-12
.-4..-10...-4...-1...-4...-2...-7....4....2...12...10....8...-5...-2....9...11
..7....4...-2...-1....7....7...-1...-4....0...-3...-8...-3...11...-1...-6....0
.-7....4....7....1...-4...-9....8....2...-5...-5....0...-5..-15....1....3...-8

Crossrefs

Sequence in context: A075943 A075944 A181128 * A228224 A022525 A069094

Adjacent sequences: A228262 A228263 A228264 * A228266 A228267 A228268

Keyword

nonn

Author

R. H. Hardin Aug 19 2013

Status

approved