id:A038070 - OEIS Search Results

Search: id:A038070

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prod{k=1..inf}((1+x^k)^a(k)) = 1+5x.

+0
8

5, -10, 40, -160, 624, -2580, 11160, -48910, 217000, -976248, 4438920, -20346280, 93900240, -435959820, 2034504992, -9536767660, 44878791360, -211927516500, 1003867701480, -4768372069968, 22706531339280 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`N. J. A. Sloane, Weigh transform`
	FORMULA	`Dirichlet convolution of A038066 with characteristic function of powers of 2.`
	CROSSREFS	`Cf. A038063-A038069.` `Sequence in context: A117865 A163305 A001692 this_sequence A136138 A122173 A083515` `Adjacent sequences: A038067 A038068 A038069 this_sequence A038071 A038072 A038073`
	KEYWORD	`sign`
	AUTHOR	`Christian G. Bower (bowerc(AT)usa.net), Jan 04 1999.`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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