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A201850
Primes of the form 7n^2 - 4.
1
3, 59, 563, 1571, 3083, 5099, 22739, 27779, 39371, 60539, 77171, 86243, 95819, 105899, 116483, 163859, 250043, 354371, 455171, 544883, 592763, 694571, 721283, 748499, 776219, 804443, 833171, 1016123, 1081139, 1148171, 1217219, 1324571
OFFSET
1,1
LINKS
MATHEMATICA
Select[Table[7n^2-4, {n, 1, 1000}], PrimeQ]
PROG
(Magma) [a: n in [1..500] | IsPrime(a) where a is 7*n^2-4];
CROSSREFS
Sequence in context: A200957 A057175 A142642 * A013526 A305597 A369949
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Dec 06 2011
STATUS
approved