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Taylor series coefficients of phi(-q^3)phi(q)/phi(q^2), where phi is Euler's function

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1, -1, 0, 0, 0, -1, -1, 1, 1, 0, 0, 1, 0, 0, -1, 0, 1, 0, -1, 1, 0, -1, -1, 1, 1, -1, -1, 1, 0, -1, -1, 1, 1, -1, -1, 1, 1, -1, -1, 2, 2, -1, -1, 1, 1, -1, -2, 1, 2, -2, -1, 2, 1, -2, -2, 2, 3, -2, -2, 2 (list; graph; listen)

	OFFSET	`0,40`
	LINKS	`Wikipedia, Euler function`
	FORMULA	`G.f.: phi(-q^3)phi(q)/phi(q^2) = a(0) + a(1)q + a(2)q^2 + ... \|a(n)\|<2 for n<39 \|a(n)\|<3 for n<56`
	CROSSREFS	`Matches 0th through 11th terms of A113687, also related to the Euler function.` `Sequence in context: A126389 A105551 A073772 this_sequence A058188 A070000 A037803` `Adjacent sequences: A164559 A164560 A164561 this_sequence A164563 A164564 A164565`
	KEYWORD	`sign`
	AUTHOR	`Gary Hinger (ghinger(AT)gmail.com), Aug 16 2009`

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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.

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