id:A069465 - OEIS Search Results

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Number of prime factors of prime(n)^n+1, with multiplicity.

+0
3

1, 2, 4, 2, 4, 4, 4, 3, 11, 4, 7, 4, 6, 8, 10, 3, 5, 9, 5, 7, 106, 8, 7, 7, 5, 12, 5, 8, 12, 13, 5, 12, 8, 13, 10, 6, 6, 13, 8, 11, 9, 9, 7, 19 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`a(n) = A001222(A062006(n)).`
	LINKS	`Dario Alpern, Factorization using the Elliptic Curve Method.`
	EXAMPLE	`A000040(10)^10+1=29^10+1=420707233300202=24211061*470925821,` `therefore a(10)=4 and A069464(10)=4.`
	CROSSREFS	`Cf. A069462, A069464.` `Adjacent sequences: A069462 A069463 A069464 this_sequence A069466 A069467 A069468` `Sequence in context: A074075 A032059 A004020 this_sequence A047947 A018838 A116982`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Mar 24 2002`
	EXTENSIONS	`More terms from Hugo Pfoertner (hugo(AT)pfoertner.org), May 21 2004`

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Last modified May 16 01:24 EDT 2008. Contains 139630 sequences.

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