id:A060257 - OEIS Search Results

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Numbers n such that 1/prime(n) has period prime(n) - 1.

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	OFFSET	`1,1`
	FORMULA	`a(n) = PrimePi[ A001913(n+1) ]. - Alexander Adamchuk (alex(AT)kolmogorov.com), Jan 28 2007`
	CROSSREFS	`Cf. A060258.` `Cf. A001913 = Cyclic numbers: primes with primitive root 10.` `Sequence in context: A011517 A000934 A004710 this_sequence A161986 A020670 A047538` `Adjacent sequences: A060254 A060255 A060256 this_sequence A060258 A060259 A060260`
	KEYWORD	`nonn`
	AUTHOR	`Jeff Burch (gburch(AT)erols.com), Mar 22 2001`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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