id:A166634 - OEIS Search Results

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Totally multiplicative sequence with a(p) = 4*(p-1) for prime p.

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1, 4, 8, 16, 16, 32, 24, 64, 64, 64, 40, 128, 48, 96, 128, 256, 64, 256, 72, 256, 192, 160, 88, 512, 256, 192, 512, 384, 112, 512, 120, 1024, 320, 256, 384, 1024, 144, 288, 384, 1024, 160, 768, 168, 640, 1024, 352, 184, 2048, 576, 1024 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`Multiplicative with a(p^e) = (4(p-1))^e. If n = Product p(k)^e(k) then a(n) = Product (4(p(k)-1)^e(k). a(n) = A165825(n) * A003958(n) = 4^bigomega(n) * A003958(n) = 4^A001222(n) * A003958(n).`
	CROSSREFS	`Sequence in context: A137798 A099212 A045534 this_sequence A072603 A123535 A065192` `Adjacent sequences: A166631 A166632 A166633 this_sequence A166635 A166636 A166637`
	KEYWORD	`nonn`
	AUTHOR	`Jaroslav Krizek (jaroslav.krizek(AT)atlas.cz), Oct 18 2009`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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