id:A143483 - OEIS Search Results

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a(n) = the number of positive integers <= A143482(n) and coprime to A143482(n).

+0
2

1, 1, 2, 2, 4, 4, 6, 8, 18, 20, 20, 24, 24, 24, 24, 32, 32, 36, 36, 40, 48, 60, 88, 96, 100, 120, 162, 168, 168, 176, 180, 192, 220, 256, 288, 288, 360, 360, 384, 400, 400, 432, 504, 560, 600, 616, 736, 736, 756, 800, 864, 864, 936, 936, 1000, 1008, 1008, 1008 (list; graph; listen)

	OFFSET	`1,3`
	COMMENT	`a(n+1) >= a(n) for all n.`
	LINKS	`Leroy Quet, Home Page (listed in lieu of email address)`
	CROSSREFS	`Cf. A143482, A143481.` `Sequence in context: A161203 A029940 A045674 this_sequence A131733 A128745 A126064` `Adjacent sequences: A143480 A143481 A143482 this_sequence A143484 A143485 A143486`
	KEYWORD	`nonn`
	AUTHOR	`Leroy Quet Aug 19 2008`
	EXTENSIONS	`Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Nov 09 2008`

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.

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