id:A079579 - OEIS Search Results

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Multiplicative with p -> (p-1)*p, p prime.

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1, 2, 6, 4, 20, 12, 42, 8, 36, 40, 110, 24, 156, 84, 120, 16, 272, 72, 342, 80, 252, 220, 506, 48, 400, 312, 216, 168, 812, 240, 930, 32, 660, 544, 840, 144, 1332, 684, 936, 160, 1640, 504, 1806, 440, 720, 1012, 2162, 96, 1764, 800, 1632, 624, 2756, 432, 2200, 336 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`a(n)<=n^2; a(n)=n iff n=2^k; a(n)=nA003958(n).` `Totally multiplicative sequence with a(p) = p(p-1) for prime p. Multiplicative with a(p^e) = (p(p-1))^(e). a(n) = A000027(n) A003958(n). [From Jaroslav Krizek (jaroslav.krizek(AT)atlas.cz), Nov 01 2009]`
	CROSSREFS	`Sequence in context: A124838 A088659 A052100 this_sequence A112326 A075435 A069875` `Adjacent sequences: A079576 A079577 A079578 this_sequence A079580 A079581 A079582`
	KEYWORD	`nonn,mult`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jan 24 2003`

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

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