A162715 - OEIS

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A162715

Primes of the form 3^p-2^(p+1), where p is also a prime.

11, 179, 1931, 617669101316651, 14130386090585813000157964091, 19088056323407826758511836230558252318494847619 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	COMMENTS	`The next term has 1117 digits and is not included explicitly for that reason.`
	FORMULA	`a(n) = 3^A162714(n)-2^(1+A162714(n)) .`
	CROSSREFS	`Cf. A162714` `Sequence in context: A051687 A101791 A140034 * A131638 A157382 A174979` `Adjacent sequences: A162712 A162713 A162714 * A162716 A162717 A162718`
	KEYWORD	`nonn`
	AUTHOR	`Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Jul 11 2009`
	EXTENSIONS	`Clarified status of p in the definition - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 16 2009`

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Last modified February 15 10:56 EST 2012. Contains 205763 sequences.