id:A116021 - OEIS Search Results

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phi(n) plus the n-th prime gives a square.

+0
2

2, 4, 14, 27, 30, 65, 80, 113, 174, 332, 483, 498, 547, 684, 734, 737, 761, 944, 1693, 1855, 2204, 3358, 3461, 3647, 3787, 3908, 4180, 6144, 6915, 7638, 7763, 10249, 10676, 12235, 13359, 14038, 16002, 19736, 21148, 23392, 23899, 24295, 24663 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`phi(332)+p(332)=2401=49^2.`
	CROSSREFS	`Cf. A116092, A116093.` `Sequence in context: A047830 A036051 A115626 this_sequence A095977 A129744 A148257` `Adjacent sequences: A116018 A116019 A116020 this_sequence A116022 A116023 A116024`
	KEYWORD	`nonn`
	AUTHOR	`Giovanni Resta (g.resta(AT)iit.cnr.it), Feb 13 2006`

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

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