OFFSET
0,1
COMMENTS
More generally for x>1 : sum(k>=1,H(k)/x^k) = x/(1-x)*log(1-1/x)
FORMULA
3/2*log(3/2)=sum(k>=1, H(k)/3^k) where H(k) is the k-th harmonic number. 3/2*log(3/2)=0.6081976621622465729670196731965237...
PROG
(PARI) log(3/2)*3/2 \\ Charles R Greathouse IV, May 15 2019
CROSSREFS
KEYWORD
cons,nonn
AUTHOR
Benoit Cloitre, Jun 15 2003
STATUS
approved