id:A093177 - OEIS Search Results

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Primes of the form 90*R_n + 1, where R_n is the repunit (A002275) of length n.

+0
7

991, 99991, 9999991, 999999999999999999999999999999991, 999999999999999999999999999999999999999999991, 99999999999999999999999999999999999999999999999999999999999999999999999999999999\ 9999999999999999999999991 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Cf. A056696 (corresponding n).` `Sequence in context: A031790 A137703 A155509 this_sequence A161926 A109149 A158683` `Adjacent sequences: A093174 A093175 A093176 this_sequence A093178 A093179 A093180`
	KEYWORD	`nonn`
	AUTHOR	`Rick L. Shepherd (rshepherd2(AT)hotmail.com), Mar 27 2004`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

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