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A060425
Primes of form n*4^n - 1.
1
3, 31, 191, 5119, 524287, 3758096383, 1618481116086271, 5359447279004780799548150067050349330431, 2817103802133904744169307240538184064530443801964688726052818649087
OFFSET
1,1
LINKS
MATHEMATICA
lst={}; Do[p=n*4^n-1; If[PrimeQ[p], AppendTo[lst, p]], {n, 0, 5!}]; lst (* Vladimir Joseph Stephan Orlovsky, Jan 28 2009 *)
PROG
(PARI) { n=0; for (m=1, 530, if (isprime(a=m*4^m - 1), write("b060425.txt", n++, " ", a)); ) } \\ Harry J. Smith, Jul 04 2009
CROSSREFS
Sequence in context: A198009 A060416 A333368 * A376950 A203242 A121099
KEYWORD
nonn
AUTHOR
Jason Earls, Apr 05 2001
EXTENSIONS
More terms from Reiner Martin, Jul 20 2001
STATUS
approved