OFFSET
1,2
LINKS
Harry J. Smith, Table of n, a(n) for n = 1..1000
MATHEMATICA
Select[ Range[400], PrimeQ[ Prime[ # ] + PrimePi[ # ]] & ]
PROG
(PARI) { n=0; for (m=1, 10^9, if (isprime(prime(m) + primepi(m)), write("b065042.txt", n++, " ", m); if (n==1000, return)) ) } \\ Harry J. Smith, Oct 04 2009
CROSSREFS
KEYWORD
nonn
AUTHOR
Robert G. Wilson v, Nov 05 2001
STATUS
approved