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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

R. H. Hardin, Table of n, a(n) for n = 1..162

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 * A251499 A251492 A289301

Adjacent sequences:  A200196 A200197 A200198 * A200200 A200201 A200202

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 14 2011

STATUS

approved

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Last modified January 20 16:58 EST 2022. Contains 350472 sequences. (Running on oeis4.)