id:A067976 - OEIS Search Results

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Primes of the form 1+n^phi(n).

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1

2, 3, 17, 37, 2708192040014184559945134363758220403329915059847434832829218817 (list; graph; listen)

	OFFSET	`1,1`
	MATHEMATICA	`Do[s=1+n^(EulerPhi[n]); If[PrimeQ[s], Print[s]], {n, 1, 1000}]`
	CROSSREFS	`Cf. A066719, A000010.` `Sequence in context: A029733 A153686 A042137 this_sequence A154316 A051084 A106860` `Adjacent sequences: A067973 A067974 A067975 this_sequence A067977 A067978 A067979`
	KEYWORD	`more,nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Feb 06 2002`
	EXTENSIONS	`Corrected by Hauke Worpel (hw1(AT)email.com), May 29 2003`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.