OFFSET
1,2
COMMENTS
The corresponding numerators are given in A103930. For the rational see the link there.
MATHEMATICA
Denominator[HarmonicNumber[Range[30]]^2] (* Harvey P. Dale, Oct 16 2022 *)
CROSSREFS
KEYWORD
nonn,easy,frac
AUTHOR
Wolfdieter Lang, Mar 24 2005
STATUS
approved