id:A093176 - OEIS Search Results

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Primes of the form 70*R_n + 1, where R_n is the repunit (A002275) of length n.

+0
6

71, 7777777777771, 77777777777777777771, 77777777777777777777771, 7777777777777777777777777777771, 7777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777771 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Cf. A056688 (corresponding n).` `Sequence in context: A131454 A099684 A078915 this_sequence A057384 A036186 A036206` `Adjacent sequences: A093173 A093174 A093175 this_sequence A093177 A093178 A093179`
	KEYWORD	`nonn`
	AUTHOR	`Rick L. Shepherd (rshepherd2(AT)hotmail.com), Mar 27 2004`

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Last modified July 24 12:00 EDT 2008. Contains 142294 sequences.

AT&T Labs Research