id:A093139 - OEIS Search Results

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Primes of the form 10*R_n + 7, where R_n is the repunit (A002275) of length n.

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7, 17, 1117, 11117, 11111117, 11111111111111111111117, 11111111111111111111111111117, 1111111111111111111111111111111111111117 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Cf. A056655 (corresponding n).` `Sequence in context: A102266 A113765 A001145 this_sequence A138491 A022511 A113613` `Adjacent sequences: A093136 A093137 A093138 this_sequence A093140 A093141 A093142`
	KEYWORD	`nonn`
	AUTHOR	`Rick L. Shepherd (rshepherd2(AT)hotmail.com), Mar 23 2004`

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Last modified July 26 23:19 EDT 2008. Contains 142293 sequences.

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