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A184060 Number of strings of n+2 numbers x(i) in -8..8 with the sum of x(i) equal to zero and the sums of x(i)*x(i+1) and x(i)*x(i+2) equal to each other 0
1, 41, 337, 3345, 59353, 945243 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 8 of A184061
LINKS
Table of n, a(n) for n=1..6.
EXAMPLE
Some solutions for n=4
..1....3...-8....1...-5....5...-3....6...-7....4...-8....2....4....2...-1...-3
.-8....6....7....2...-4...-2...-3...-3....4....0....6....7...-5...-5...-2....4
..0...-2....2...-4....4....2....7...-4....4...-8...-8...-2...-6....2....2...-6
.-2....1...-3....4...-4....3...-8...-4...-1....4...-4...-1....4....3...-3...-3
..3...-6...-1....2....4...-6...-1....7...-8....0....6...-7...-1...-1....0....0
..6...-2....3...-5....5...-2....8...-2....8....0....8....1....4...-1....4....8
CROSSREFS
Sequence in context: A232857 A232793 A219080 * A300645 A268779 A142501
Adjacent sequences: A184057 A184058 A184059 * A184061 A184062 A184063
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 09 2011
STATUS
approved

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Last modified May 16 13:17 EDT 2024. Contains 372552 sequences. (Running on oeis4.)