id:A038068 - OEIS Search Results

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prod{k=1..inf}((1+x^k)^a(k)) = 1+3x.

+0
1

3, -3, 8, -21, 48, -116, 312, -831, 2184, -5880, 16104, -44336, 122640, -341484, 956576, -2690841, 7596480, -21522228, 61171656, -174342144, 498111952, -1426403748, 4093181688, -11767919276, 33891544368, -97764009000 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`N. J. A. Sloane, Weigh transform`
	FORMULA	`Dirichlet convolution of A038064 with characteristic function of powers of 2.`
	CROSSREFS	`Cf. A038063-A038070.` `Sequence in context: A049974 A049972 A027376 this_sequence A101126 A119006 A109695` `Adjacent sequences: A038065 A038066 A038067 this_sequence A038069 A038070 A038071`
	KEYWORD	`sign`
	AUTHOR	`Christian G. Bower (bowerc(AT)usa.net), Jan 04 1999.`

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.

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