OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
MATHEMATICA
Select[Prime[Range[2, 5000]], PrimeQ[FromDigits[Reverse[IntegerDigits[#]]] - 2] &]
PROG
(Magma) [p: p in PrimesInInterval(2, 2000) | IsPrime(q-2) where q is Seqint(Reverse(Intseq(p)))];
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Vincenzo Librandi, Jun 05 2014
STATUS
approved