OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
MATHEMATICA
f[n_] := Prime[n] + Prime[n + 1] + 1; f[ # ] & /@ Select[ Range[120], PrimeQ[ f[ # ]] &] (* Robert G. Wilson v, Apr 14 2004 *)
PROG
(PARI) list(lim)=my(v=List(), p=2, t); forprime(q=3, , t=p+q+1; if(t>lim, return(Vec(v))); if(isprime(t), listput(v, t))) \\ Charles R Greathouse IV, Mar 19 2013
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Jorge Coveiro, Apr 12 2004
EXTENSIONS
More terms from Robert G. Wilson v, Apr 14 2004
STATUS
approved