A137329 - OEIS

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A137329

a(n)=-4a(n-4).

0, 2, 3, 1, 0, -8, -12, -4, 0, 32, 48, 16, 0, -128, -192, -64, 0, 512, 768, 256, 0, -2048, -3072, -1024, 0, 8192, 12288, 4096, 0, -32768, -49152, -16384, 0, 131072, 196608, 65536, 0, -524288, -786432, -262144, 0, 2097152, 3145728, 1048576, 0, -8388608, -12582912, -4194304, 0, 33554432, 50331648 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	FORMULA	`O.g.f.: x(x+2)(1+x)/((1-2x+2x^2)(1+2x+2x^2)) - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), May 23 2008`
	CROSSREFS	`Sequence in context: A048994 A132393 A121434 * A171996 A175669 A004579` `Adjacent sequences: A137326 A137327 A137328 * A137330 A137331 A137332`
	KEYWORD	`sign`
	AUTHOR	`Paul Curtz (bpcrtz(AT)free.fr), Apr 20 2008`
	EXTENSIONS	`More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), May 23 2008`

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Last modified February 16 04:47 EST 2012. Contains 205860 sequences.