id:A093169 - OEIS Search Results

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Primes of the form 50*R_n + 7, where R_n is the repunit (A002275) of length n.

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7, 557, 5557, 555557, 5555555557, 555555555555557, 5555555555555555555557, 55555555555555555555555555555555555555555555555555555555555555555555555555555555\ 55555557 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Cf. A056686 (corresponding n).` `Sequence in context: A124899 A056852 A126196 this_sequence A159029 A068616 A080810` `Adjacent sequences: A093166 A093167 A093168 this_sequence A093170 A093171 A093172`
	KEYWORD	`nonn`
	AUTHOR	`Rick L. Shepherd (rshepherd2(AT)hotmail.com), Mar 26 2004`

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

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