id:A114082 - OEIS Search Results

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

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3, 6, 7, 9, 18, 58, 73, 134, 198, 251, 278, 287, 461, 483, 505, 525, 529, 665, 772, 939, 960, 986, 1291, 1432, 1463, 1629, 2115, 2931, 2991, 3422, 3888, 4159, 4231, 4548, 4715, 6256, 7867, 9148, 9474, 9540, 9958, 10535, 12035, 12081, 12223, 12511 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`sigma(2115)+p(2115)=22201=149^2.`
	CROSSREFS	`Adjacent sequences: A114079 A114080 A114081 this_sequence A114083 A114084 A114085` `Sequence in context: A087916 A023982 A039591 this_sequence A087249 A091087 A138622`
	KEYWORD	`nonn`
	AUTHOR	`Giovanni Resta (g.resta(AT)iit.cnr.it), Feb 13 2006`

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.

AT&T Labs Research