OFFSET
1,1
COMMENTS
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
MATHEMATICA
Select[Prime[Range[200]], PrimeQ[Plus@@IntegerDigits[#] + 3]&]
PROG
(Magma) [p: p in PrimesUpTo(700) | IsPrime(q) where q is 3+&+Intseq(p)];
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Vincenzo Librandi, Jun 07 2014
STATUS
approved