A199947 Number of -n..n arrays x(0..5) of 6 elements with zeroth through 5th differences all nonzero

2, 868, 13890, 104268, 464782, 1577040, 4310382, 10274388, 21921086, 43069520, 78878810, 137045852, 226914998, 361712248, 557412114, 834701940, 1217933582, 1739046456, 2432877362, 3344664408, 4524523614, 6033558944, 7938870746

Offset

1,1

Comments

Row 6 of A199943

Links

R. H. Hardin, Table of n, a(n) for n = 1..35

Example

Some solutions for n=6
.-3...-6...-3...-6....1...-6...-6....1....1...-6....1...-3....1...-6....4...-6
..1....1...-6....1...-3....1....4...-6...-6...-3...-3....1...-3....4...-6...-3
..3....2...-1...-1....6...-6...-6....3....6...-6...-4...-2...-1....2....6....4
.-1....6...-6....3...-5...-2....2...-1...-3....3...-3...-1....4...-3....3...-4
..3....3...-2....4....2...-3....3....6....5....6....6...-4...-1....6...-1...-2
..4....4....5...-2...-2...-2...-2....2...-2....2...-6...-3....4....5....4...-5

Crossrefs

Sequence in context: A141185 A257660 A128667 * A230569 A239149 A050247

Adjacent sequences: A199944 A199945 A199946 * A199948 A199949 A199950

Keyword

nonn

Author

R. H. Hardin Nov 12 2011

Status

approved