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A200199 Number of -3..3 arrays x(0..n+2) of n+3 elements with zero sum and nonzero second and third differences 1
186, 1106, 6418, 37226, 217946, 1282168, 7609122, 45311478, 270793444, 1623115640, 9752855676, 58737147004, 354446311678, 2142635088724, 12972537700224, 78651690691664, 477462935113362, 2901805987457704 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 3 of A200204
LINKS
EXAMPLE
Some solutions for n=3
..0...-3...-1....0....0....3....0....1....2...-3....2...-1...-1....1...-1....1
..2...-2....3....3...-1....2...-1....0...-1....3....1...-2....1...-2....0...-1
..0....1...-2...-2....0...-2...-3....3...-3....2....1...-2...-1....2....2....0
.-1....0...-2...-2....2...-1...-1...-3....3....3...-2....3....2....0....3...-2
..1....2....2....2...-2....1....2....1....2...-2...-3....3...-1....1...-1....1
.-2....2....0...-1....1...-3....3...-2...-3...-3....1...-1....0...-2...-3....1
CROSSREFS
Sequence in context: A258276 A286006 A234108 * A364859 A251499 A251492
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 14 2011
STATUS
approved

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Last modified March 3 05:41 EST 2024. Contains 370499 sequences. (Running on oeis4.)