id:A066659 - OEIS Search Results

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a(n) = least k > n such that EulerPhi(k) = EulerPhi(n), if such k exists; = 0 otherwise.

+0
5

2, 0, 4, 6, 8, 0, 9, 10, 14, 12, 22, 0, 21, 18, 16, 20, 32, 0, 27, 24, 26, 0, 46, 30, 33, 2, 8, 38, 36, 58, 0, 62, 34, 44, 40, 39, 42, 57, 54, 45, 48, 55, 0, 49, 50, 52, 0, 94, 60, 86, 66, 64, 56, 106, 0, 75, 70, 63, 0, 118, 0, 77, 0, 74, 68, 104, 0, 134, 80, 92, 72, 142, 78, 91 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Cf. A000010.` `Sequence in context: A104601 A133144 A098123 this_sequence A085623 A002885 A011121` `Adjacent sequences: A066656 A066657 A066658 this_sequence A066660 A066661 A066662`
	KEYWORD	`nonn`
	AUTHOR	`Joseph L. Pe (joseph_l_pe(AT)hotmail.com), Jan 10 2002`
	EXTENSIONS	`More terms from Vladeta Jovovic (vladeta(AT)Eunet.yu), Jan 12 2002`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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