OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
FORMULA
A177105(n) = 2*n^3 - 1. - R. J. Mathar, Aug 20 2019
MATHEMATICA
Select[Range[0, 1000], PrimeQ[2*#^3-1]&]
PROG
(Magma) [n: n in [1..400]|IsPrime(2*n^3-1)]
(PARI) is(n)=isprime(2*n^3-1) \\ Charles R Greathouse IV, Jun 13 2017
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Jul 25 2012
STATUS
approved