id:A039783 - OEIS Search Results

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phi(n) is equal to the product of the dual prime-power components of n-1 (i.e. A008477(n-1)).

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5, 17, 51, 73, 109, 433, 17408, 21601, 121501, 1350001, 3294173 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`phi(17408)=8192, 17407=13^2103^1, (2^13)(1^103)=8192.`
	CROSSREFS	`Cf. A000010, A008477.` `Sequence in context: A000337 A086866 A054452 this_sequence A116521 A137500 A034335` `Adjacent sequences: A039780 A039781 A039782 this_sequence A039784 A039785 A039786`
	KEYWORD	`nonn`
	AUTHOR	`Olivier Gerard (ogerard(AT)ext.jussieu.fr)`
	EXTENSIONS	`More terms from Naohiro Nomoto (6284968128(AT)geocities.co.jp), Jun 24 2001`

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Last modified September 5 19:27 EDT 2008. Contains 143485 sequences.