OFFSET
0,1
EXAMPLE
0.61953402... = 1/2^1 + 1/3^2+ 1/5^3 + 1/7^4+...
PROG
(PARI) D=10.^default(realprecision); D=solve(x=3, 9e9, L=log(x); D^(1/x)-x*(L+log(L)-1))\1; s=0.; n=0; forprime(p=2, prime(D), s+=p^-n++); s \\ Charles R Greathouse IV, Apr 12 2012
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Yalcin Aktar, Apr 27 2004
STATUS
approved