A200042 Number of -n..n arrays x(0..5) of 6 elements with sum zero and with zeroth through 5th differences all nonzero

2, 168, 1450, 7384, 25814, 72220, 169170, 351964, 667998, 1174860, 1958474, 3119900, 4772250, 7066336, 10146330, 14251004, 19583286, 26418704, 35030826, 45705392, 58910542, 75014652, 94447002, 117742012, 145274026, 177897944

Offset

1,1

Comments

Row 6 of A200038

Links

R. H. Hardin, Table of n, a(n) for n = 1..67

Example

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

Crossrefs

Sequence in context: A139928 A297407 A142602 * A005020 A157316 A007760

Adjacent sequences: A200039 A200040 A200041 * A200043 A200044 A200045

Keyword

nonn

Author

R. H. Hardin Nov 12 2011

Status

approved