id:A143482 - OEIS Search Results

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a(1)=1. a(n) = the smallest positive multiple of n such that phi(a(n)) >= phi(a(n-1)), where phi(m) is the number of positive integers <= m and coprime to m.

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1, 2, 3, 4, 5, 12, 7, 16, 27, 50, 33, 72, 39, 56, 45, 64, 51, 108, 57, 100, 105, 154, 115, 288, 125, 286, 243, 392, 203, 690, 217, 416, 363, 544, 455, 864, 407, 836, 663, 1000, 451, 1512, 559, 1276, 1125, 1334, 799, 2256, 931, 2000, 1377, 1924, 1007, 2862, 1375 (list; graph; listen)

	OFFSET	`1,2`
	LINKS	`Leroy Quet, Home Page (listed in lieu of email address)`
	CROSSREFS	`Cf. A143483, A143480.` `Sequence in context: A135323 A052106 A064446 this_sequence A066574 A039007 A050745` `Adjacent sequences: A143479 A143480 A143481 this_sequence A143483 A143484 A143485`
	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 November 25 20:09 EST 2009. Contains 167514 sequences.

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