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 A200163 Number of -6..6 arrays x(0..n-1) of n elements with nonzero sum and with zero through n-1 differences all nonzero 0
 12, 120, 1326, 13888, 145482, 1504820, 15586972, 160772064, 1658521710 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 6 of A200165 LINKS EXAMPLE Some solutions for n=5 .-2....6...-1...-6...-2....2....4....4...-2....3....4....5....3....4....2....2 ..5...-3....1...-2...-3...-4...-1...-4...-3...-3...-3....1....4...-6....1....5 .-4....2....4....4...-6...-6...-5....3...-5....1...-4....2...-6....5....4....1 .-2....3...-4...-5....4....6....4...-1...-3...-3...-2...-3...-1....2...-4....2 .-1....1...-1...-2...-5...-2...-6....3....6...-4...-6....6...-5...-6....4....4 CROSSREFS Sequence in context: A129064 A120585 A239188 * A012565 A012621 A102341 Adjacent sequences:  A200160 A200161 A200162 * A200164 A200165 A200166 KEYWORD nonn AUTHOR R. H. Hardin Nov 13 2011 STATUS approved

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Last modified October 19 21:28 EDT 2019. Contains 328244 sequences. (Running on oeis4.)