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A215435
Primes of form 3^k + k^3 - 1.
3
3, 53, 367, 20411, 10301051460877537453973547542467, 7509466514979724803946715958615457
OFFSET
1,1
LINKS
MATHEMATICA
Select[Table[3^n + n^3 - 1, {n, 0, 500}], PrimeQ ]
PROG
(Magma) [ a: n in [0..250] | IsPrime(a) where a is 3^n + n^3 - 1 ]
CROSSREFS
Sequence in context: A216042 A292530 A036941 * A121504 A099665 A173802
KEYWORD
nonn
AUTHOR
Vincenzo Librandi, Sep 03 2012
STATUS
approved