id:A098189 - OEIS Search Results

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A034448(n)-A000010(n), sum-of-unitary-divisors minus Euler-phi.

+0
7

0, 2, 2, 3, 2, 10, 2, 5, 4, 14, 2, 16, 2, 18, 16, 9, 2, 24, 2, 22, 20, 26, 2, 28, 6, 30, 10, 28, 2, 64, 2, 17, 28, 38, 24, 38, 2, 42, 32, 38, 2, 84, 2, 40, 36, 50, 2, 52, 8, 58, 40, 46, 2, 66, 32, 48, 44, 62, 2, 104, 2, 66, 44, 33, 36, 124, 2, 58, 52, 120, 2, 66, 2, 78, 64, 64, 36, 144, 2 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`a(n)>A063919(n) if n>1.` `a(A000040(k))=2.`
	EXAMPLE	`a(1)=1-1=0.`
	CROSSREFS	`Cf. A034448, A000010, A063919, A098190-A098195.` `Sequence in context: A069138 A058671 A016002 this_sequence A162733 A016003 A087139` `Adjacent sequences: A098186 A098187 A098188 this_sequence A098190 A098191 A098192`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Sep 03 2004`
	EXTENSIONS	`Edited by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Mar 02 2009`

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Last modified December 17 13:29 EST 2009. Contains 170826 sequences.

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