id:A086563 - OEIS Search Results

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Smallest number of the form 10^k +1 with n distinct prime divisors.

+0
2

2, 10001, 1001, 100000000001, 1000000001, 1000000000000000000000000000000000001, 1000000000000001, 1000000000000000000000000000000001, 1000000000000000000000000000000000000001 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`a(5) = 1000000001= 711131952579 has five prime divisors.`
	CROSSREFS	`Cf. A085564.` `Adjacent sequences: A086560 A086561 A086562 this_sequence A086564 A086565 A086566` `Sequence in context: A129058 A129057 A104904 this_sequence A023328 A134656 A128122`
	KEYWORD	`nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Aug 31 2003`
	EXTENSIONS	`More terms from Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Sep 22 2003`

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Last modified May 16 23:01 EDT 2008. Contains 139884 sequences.

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