A200559 - OEIS

The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.

The OEIS is supported by the many generous donors to the OEIS Foundation.

A200559

Number of -n..n arrays x(0..8) of 9 elements with zero sum and nonzero second differences

778, 91058, 1639804, 13587804, 72366820, 288237528, 936121220, 2613794508, 6492378076, 14694189538, 30833955936, 60757353766, 113535692414, 202761648044, 348183768616, 577776075892, 930286238568, 1458297755836 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`Row 7 of A200553`
	LINKS	`R. H. Hardin, Table of n, a(n) for n = 1..39`
	EXAMPLE	`Some solutions for n=3` `.-3...-3...-3...-3...-3...-3...-3...-3...-3...-3...-3...-3...-3...-3...-3...-3` `.-3....1...-3....1....0....1....0....0....0....1...-3....1....1....1....0....1` `..3....3...-1....2....2....2....1...-3...-3....0...-1...-1...-2....3...-1....1` `..0....3....3....1....0....1...-1....3....2...-3....2...-1....3....2....1....2` `..3....0...-2....2...-3...-1....3....1....1....0....3....3....2....0....2....0` `..0...-2....3...-3...-3...-2...-2....3...-1....1....0....1...-3....1....2...-3` `..2....0....2....2....3....3....2...-1....3....1....1....3...-2...-2...-1....1` `.-2....1....0...-1....2...-3....1...-2....2....3....3...-2....3...-3...-2...-2` `..0...-3....1...-1....2....2...-1....2...-1....0...-2...-1....1....1....2....3`
	CROSSREFS	`Sequence in context: A252529 A008746 A231062 * A231252 A341190 A147547` `Adjacent sequences: A200556 A200557 A200558 * A200560 A200561 A200562`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin Nov 19 2011`
	STATUS	`approved`

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 14 14:46 EDT 2024. Contains 372533 sequences. (Running on oeis4.)