id:A051453 - OEIS Search Results

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Prime powers such that 1+lcm(1,...,p^w) is prime.

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1, 2, 3, 4, 5, 7, 9, 19, 25, 31, 47, 89, 127, 139, 1369, 2251, 3271 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`1+lcm(1,..,89)=718766754945489455304472257065075294401 is prime.`
	CROSSREFS	`Cf. A000961, A003418, A049536, A049537.` `Sequence in context: A064628 A017834 A050763 this_sequence A118463 A137929 A094617` `Adjacent sequences: A051450 A051451 A051452 this_sequence A051454 A051455 A051456`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu)`
	EXTENSIONS	`Corrected and extended by Wouter Meeussen (wouter.meeussen(AT)pandora.be), Apr 18 2003`

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Last modified December 13 23:45 EST 2009. Contains 170824 sequences.