id:A088553 - OEIS Search Results

Search: id:A088553

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Primes of the form (3^x-1)/2 or (3^x+1)/2.

+0
4

2, 5, 13, 41, 1093, 797161, 21523361, 926510094425921, 1716841910146256242328924544641, 3754733257489862401973357979128773, 6957596529882152968992225251835887181478451547013 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`The next term is too large to include.`
	CROSSREFS	`Cf. A096723.` `Sequence in context: A149868 A007269 A096724 this_sequence A149869 A149870 A149871` `Adjacent sequences: A088550 A088551 A088552 this_sequence A088554 A088555 A088556`
	KEYWORD	`nonn`
	AUTHOR	`Cino Hilliard (hillcino368(AT)gmail.com), Nov 17 2003`
	EXTENSIONS	`Edited by Don Reble (djr(AT)nk.ca), May 03 2006`

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

AT&T Labs Research