id:A162906 - OEIS Search Results

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n-A081707(n).

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0, 1, 2, 3, 4, 4, 6, 7, 8, 8, 10, 9, 12, 12, 13, 15, 16, 15, 18, 17, 19, 20, 22, 20, 24, 24, 26, 25, 28, 25, 30, 31, 31, 32, 33, 31, 36, 36, 37, 36, 40, 37, 42, 41, 42, 44, 46, 43, 48, 47, 49, 49, 52, 50, 53, 52, 55, 56, 58, 52, 60, 60, 60, 63, 63, 61, 66, 65, 67, 65, 70, 65, 72, 72, 72 (list; graph; listen)

	OFFSET	`1,3`
	FORMULA	`a(n)=A000027(n)-A081707(n) = n +A001222(n) -A000005(n).`
	EXAMPLE	`a(1)=1-1. a(2)=2-1. a(3)=3-1. a(4)=4-1. a(5)=5-1. a(6)=6-2.`
	MAPLE	`A081707 := proc(n) numtheory[tau](n)-numtheory[bigomega](n) ; end: A162906 := proc(n) n - A081707(n) ; end: seq(A162906(n), n=1..100) ; # R. J. Mathar, Jul 21 2009`
	CROSSREFS	`Cf. A000027, A069345, A081707.` `Sequence in context: A076332 A081235 A092601 this_sequence A100476 A007896 A074139` `Adjacent sequences: A162903 A162904 A162905 this_sequence A162907 A162908 A162909`
	KEYWORD	`nonn,easy`
	AUTHOR	`Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Jul 17 2009`
	EXTENSIONS	`Duplicate of 9 removed by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jul 21 2009`

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Last modified December 4 08:07 EST 2009. Contains 170310 sequences.

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