OFFSET
1,1
LINKS
Wikipedia, Contraharmonic mean.
FORMULA
MATHEMATICA
a[n_]:=ContraharmonicMean[Prime[Range[n]]];
nmax=40;
at=Table[a[n], {n, 1, nmax}];
Numerator[at]
CROSSREFS
KEYWORD
nonn,frac
AUTHOR
Andres Cicuttin, Dec 07 2017
STATUS
approved