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A124081
Primes of the form 2*F(k) + 1.
3
3, 5, 7, 11, 17, 43, 179, 467, 8363, 21893, 35423, 92737, 392837, 204668311, 1402817467, 40730022149, 8105479075763, 15080227609492692859, 100190602496116782278655832523, 26361745652748197675264382970030251614748343
OFFSET
1,1
LINKS
FORMULA
a(n) = 2*A000045(A124067(n+1)) + 1. - Amiram Eldar, Sep 19 2022
MATHEMATICA
Select[Fibonacci@Range[2, 300]*2+1, PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Jan 30 2012 *)
CROSSREFS
Sequence in context: A212912 A356751 A038944 * A119573 A001366 A093329
KEYWORD
nonn
AUTHOR
Giovanni Teofilatto, Dec 12 2006
STATUS
approved