id:A109371 - OEIS Search Results

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Numbers n such that the string 11n is prime.

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3, 17, 23, 29, 51, 53, 63, 71, 81, 87 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`If n=3 then 11n = 113 (prime).` `If n=87 then 11n = 1187 (prime).`
	CROSSREFS	`Sequence in context: A019380 A126692 A057173 this_sequence A082372 A128107 A060860` `Adjacent sequences: A109368 A109369 A109370 this_sequence A109372 A109373 A109374`
	KEYWORD	`nonn`
	AUTHOR	`Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Aug 24 2005`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.