id:A108294 - OEIS Search Results

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a(n) = the least prime p such that p-6n-3 is a power of 2 and 2p-6n-3 is prime, or -1 if no such prime exists.

+0
2

5, 11, 17, 29, 29, 37, 41, 53, 59, 59, 67, 71, 79, 89 (list; graph; listen)

	OFFSET	`0,1`
	COMMENT	`The value of a(14) is presently unknown.` `A108295 has the 2p-6n-3 values.`
	CROSSREFS	`Cf. A108295.` `Sequence in context: A096449 A089110 A023489 this_sequence A046869 A028388 A067606` `Adjacent sequences: A108291 A108292 A108293 this_sequence A108295 A108296 A108297`
	KEYWORD	`nonn,more`
	AUTHOR	`Cino Hilliard (hillcino368(AT)gmail.com), Jun 29 2005`
	EXTENSIONS	`Edited by Don Reble (djr(AT)nk.ca), May 01 2007 and by N. J. A. Sloane (njas(AT)research.att.com), May 04 2007`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.