A138614 - OEIS

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A138614

Expansion of (2*x-1)*(x^2-x-1) ) / ( 1-2*x^2+2*x^4 ).

1, -1, -1, 0, -4, 2, -6, 4, -4, 4, 4, 0, 16, -8, 24, -16, 16, -16, -16, 0, -64, 32, -96, 64, -64, 64, 64, 0, 256, -128, 384, -256, 256, -256, -256, 0, -1024, 512, -1536, 1024, -1024, 1024, 1024, 0, 4096, -2048, 6144, -4096, 4096, -4096, -4096 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,5`
	LINKS	`Index to sequences with linear recurrences with constant coefficients, signature (0,2,0,-2).`
	FORMULA	`a(n)= -4a(n-8).` `a(n) = A138231(n+1)-2*A138231(n).` `a(n) = A138232(n)- A138231(n).`
	CROSSREFS	`Sequence in context: A092205 A059853 A136527 * A161912 A162339 A200697` `Adjacent sequences: A138611 A138612 A138613 * A138615 A138616 A138617`
	KEYWORD	`sign,easy`
	AUTHOR	`Paul Curtz (bpcrtz(AT)free.fr), May 14 2008`

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Last modified February 16 02:51 EST 2012. Contains 205860 sequences.