A155152 - OEIS

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A155152

Numbers n such that 13n^2+3n+1 is prime.

1, 2, 3, 6, 7, 8, 11, 13, 14, 15, 19, 20, 22, 23, 24, 26, 34, 37, 39, 40, 41, 42, 44, 46, 47, 48, 51, 53, 57, 62, 63, 64, 66, 68, 73, 74, 75, 79, 88, 91, 94, 96, 97, 99, 102, 107, 111, 112, 116, 122, 133, 135, 144, 146, 152, 161, 162, 163, 165, 166, 167, 172, 180, 183, 184, 187 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	MATHEMATICA	`Select[Range[200], PrimeQ[13#^2+3#+1]&] (* From Harvey P. Dale, Dec 08 2011 *)`
	CROSSREFS	`Cf. A155153.` `Sequence in context: A064472 A001422 A097757 * A098740 A116046 A069579` `Adjacent sequences: A155149 A155150 A155151 * A155153 A155154 A155155`
	KEYWORD	`nonn,easy`
	AUTHOR	`Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Jan 21 2009`
	EXTENSIONS	`Definition corrected and terms recomputed by Jon Schoenfield and N. J. A. Sloane, Jun 16 2010`

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Last modified February 15 05:15 EST 2012. Contains 205694 sequences.