id:A066670 - OEIS Search Results

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Primes arising in A066669: the only odd prime divisor of EulerPhi[A066669(n)].

+0
3

3, 3, 5, 3, 3, 3, 3, 5, 11, 5, 3, 3, 7, 5, 3, 3, 3, 5, 3, 5, 3, 11, 23, 5, 3, 13, 5, 3, 7, 29, 3, 5, 11, 3, 3, 5, 3, 5, 41, 3, 7, 5, 11, 3, 11, 23, 3, 5, 3, 3, 13, 53, 5, 3, 7, 11, 7, 29, 3, 5, 3, 5, 17, 11, 3, 23, 3, 7, 37, 5, 3, 3, 13, 5, 5, 41, 83, 3, 43, 7, 5, 29, 11, 89, 3, 11, 5, 23, 3, 3 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`A066669(9)=23,Phi[23]=2.11, so a(9)=11`
	CROSSREFS	`Cf. A000010, A066669-A066673, A065966.` `Sequence in context: A136549 A077924 A003569 this_sequence A013606 A054906 A020483` `Adjacent sequences: A066667 A066668 A066669 this_sequence A066671 A066672 A066673`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Dec 18 2001`

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Last modified December 1 19:22 EST 2009. Contains 167811 sequences.

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