id:A121045 - OEIS Search Results

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Least cluster prime greater than 10^n.

+0
3

3, 11, 101, 1013, 10141, 100153, 1000193, 10000763, 100000673, 1000000933, 10000002713, 100000005041, 1000000010489, 10000000003243 (list; graph; listen)

	OFFSET	`0,1`
	COMMENT	`These numbers are useful for generating intermediate cluster primes because the best algorithm for generating cluster primes requires starting with a known cluster prime.`
	CROSSREFS	`Cf. A038134 (cluster primes), A039506 (number of cluster primes < 10^n), A121044.` `Sequence in context: A072640 A154299 A007616 this_sequence A092245 A105413 A136985` `Adjacent sequences: A121042 A121043 A121044 this_sequence A121046 A121047 A121048`
	KEYWORD	`nonn`
	AUTHOR	`T. D. Noe (noe(AT)sspectra.com), Jul 21 2006`

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

AT&T Labs Research