OFFSET
1,2
COMMENTS
Rational approximation: 29329/17218.
Continued fraction: (1, 1, 2, 2, 1, 2, 4, 36, 3, 1, 11, …).
EXAMPLE
1.70339179928153054530520483941958492888306265194505541291458253107862176...
MAPLE
with(numtheory); P:=proc(q) local k; print(evalf(add(1/k^phi(k), k=1..q), 100)); end: P(1000);
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Paolo P. Lava, Mar 25 2014
STATUS
approved