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A202514 Number of zero-sum -n..n arrays of 6 elements with first through third differences also in -n..n 1
9, 53, 255, 883, 2369, 5429, 11015, 20519, 35743, 58863, 92683, 140431, 206133, 294575, 410949, 561639, 753393, 994367, 1293591, 1660765, 2107089, 2644313, 3285935, 4046931, 4942529, 5990419, 7208417, 8617099, 10238327, 12094665 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 6 of A202511
LINKS
EXAMPLE
Some solutions for n=7
.-3....6....5....4....3....6...-5....1...-4...-1...-1...-3....2...-2...-7...-1
.-6....1....3....4....6....0...-1....2...-1...-2....5...-6....1....4...-1....1
.-3...-1....0....2....3....0....3...-1....2....0....4...-3...-3....3....4....3
..2...-4...-3...-2...-2....0....5...-1....2...-1...-1....1...-3....2....3....0
..6...-2...-4...-5...-6....0....1....0....1....1...-3....4....0....0....0...-2
..4....0...-1...-3...-4...-6...-3...-1....0....3...-4....7....3...-7....1...-1
CROSSREFS
Sequence in context: A036425 A126085 A055854 * A005025 A122588 A277999
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 20 2011
STATUS
approved

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Last modified March 3 08:51 EST 2024. Contains 370499 sequences. (Running on oeis4.)