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 A199941 Number of -6..6 arrays x(0..n-1) of n elements with zeroth through n-1st differences all nonzero 0
 12, 132, 1404, 14696, 152586, 1577040, 16261206, 167447004, 1723164176, 17727091612 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 6 of A199943 LINKS Table of n, a(n) for n=1..10. EXAMPLE Some solutions for n=6 .-6...-3....4...-6....4...-6...-3...-6...-3....4...-3...-3....1...-3...-6...-6 ..1....1...-3....1...-3....4....1....1....1...-3....1....4...-6...-6....1...-3 ..3....6...-2...-5....3...-5....4...-4....2...-2...-3....1....4....4...-2...-5 ..4...-5....3....6...-3....3....1....2...-3....3....4...-3...-3...-6....2....2 .-6...-1...-4...-5....6...-4...-5...-4....2...-5....1...-5....5...-3...-5....5 ..4...-2....4...-6....1...-3...-2....4...-6....2...-5...-6....4...-6....4....2 CROSSREFS Sequence in context: A324947 A165150 A002921 * A001336 A118475 A190873 Adjacent sequences: A199938 A199939 A199940 * A199942 A199943 A199944 KEYWORD nonn AUTHOR R. H. Hardin Nov 12 2011 STATUS approved

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Last modified February 26 09:41 EST 2024. Contains 370338 sequences. (Running on oeis4.)