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A200211 Number of -n..n arrays x(0..9) of 10 elements with zero sum and nonzero second and third differences 1
752, 256314, 7609122, 88657470, 604864626, 2949336370, 11349503058, 36580061138, 103109058584, 261224766796, 606238931956, 1309542607976, 2662545910816, 5138238853810, 9483237615484, 16833404882270, 28865075618702 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 7 of A200204

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..19

EXAMPLE

Some solutions for n=3

.-2...-3...-3...-3...-3...-3...-3...-3...-2...-3...-3...-3...-3...-3...-3...-3

.-3...-3...-3...-3...-3...-3...-3...-3...-3...-3...-3...-3...-3...-3...-3...-3

.-3...-2....1....3....0....3....3....3...-3....2....2....3....1....1....3....2

.-1....2....3...-2....2....2....2....0....0...-1....2....2...-1....2...-1....0

..0....3....1...-2...-1...-2...-1....2...-1....1...-2...-2....2...-1....2....3

..3...-1....0....0...-1....0....2....1....2....1...-1...-1....3....2...-1....0

..1....3...-3....3....3....3...-1...-1....1....0....1....3....3...-2....2...-1

..0...-1....0...-1...-2...-3....2....1....3....2....0....2...-1....3....3....2

..3....2....2....2....2....1....2...-1....1....2....3...-1...-1....1....0....0

..2....0....2....3....3....2...-3....1....2...-1....1....0....0....0...-2....0

CROSSREFS

Sequence in context: A020391 A252807 A223447 * A177423 A251330 A092449

Adjacent sequences:  A200208 A200209 A200210 * A200212 A200213 A200214

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 14 2011

STATUS

approved

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Last modified November 19 03:37 EST 2019. Contains 329310 sequences. (Running on oeis4.)