id:A077314 - OEIS Search Results

Search: id:A077314

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Primes of the form 2^r*7^s - 1.

+0
3

3, 7, 13, 31, 97, 127, 223, 1567, 3583, 4801, 6271, 8191, 19207, 25087, 33613, 76831, 131071, 401407, 524287, 917503, 1229311, 1605631, 3764767, 6588343, 14680063, 184473631, 737894527, 2147483647, 2259801991, 2877292543, 3758096383 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Cf. A023509, A077313.` `Adjacent sequences: A077311 A077312 A077313 this_sequence A077315 A077316 A077317` `Sequence in context: A119962 A110436 A126879 this_sequence A069246 A087578 A023195`
	KEYWORD	`nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 04 2002`
	EXTENSIONS	`Corrected and extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Aug 02 2003`

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Last modified October 15 09:18 EDT 2008. Contains 145015 sequences.

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