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A201785 Primes of the form 5n^2 - 3. 1
2, 17, 317, 977, 1277, 1997, 2417, 3917, 9677, 12497, 20477, 23117, 33617, 48017, 60497, 109517, 127997, 137777, 144497, 154877, 165617, 180497, 216317, 224717, 269117, 353777, 369917, 499277, 511997, 518417, 612497, 662477, 721997 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..5000

MATHEMATICA

Select[Table[5n^2-3, {n, 1, 2000}], PrimeQ]

PROG

(MAGMA) [a: n in [1..400] | IsPrime(a) where a is 5*n^2-3];

CROSSREFS

Sequence in context: A090306 A304857 A007785 * A204249 A242368 A307315

Adjacent sequences:  A201782 A201783 A201784 * A201786 A201787 A201788

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi, Dec 05 2011

STATUS

approved

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Last modified October 23 11:48 EDT 2019. Contains 328345 sequences. (Running on oeis4.)