OFFSET
1,1
FORMULA
EXAMPLE
Prime(prime(6)) = 41. 4+1=5, prime. So 41 is in the sequence.
PROG
(PARI) sodip(n) = {
local(s=0, a, x, y, j, p);
for(x=1, n, p=prime(prime(x)); a=eval(Vec(Str(p))); y=sum(j=1, length(a), a[j]); if(isprime(y), print1(p", ")); )
}
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Cino Hilliard, Jun 28 2009
EXTENSIONS
Definition rephrased by R. J. Mathar, Sep 11 2009
STATUS
approved