OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
FORMULA
a(n) = A024892(n)+1. - Klaus Brockhaus, Dec 21 2008
MATHEMATICA
Select[Range[1, 250], PrimeQ[(3*#)-2]&] (* Vincenzo Librandi, Sep 24 2012 *)
PROG
(Magma) [ n: n in [1..235] | IsPrime(3*n-2) ]; // Klaus Brockhaus, Dec 21 2008
(PARI) is(n)=isprime(3*n-2) \\ Charles R Greathouse IV, Feb 17 2017
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Dec 20 2008
EXTENSIONS
More terms from Klaus Brockhaus, Dec 21 2008
STATUS
approved