OFFSET
1,2
COMMENTS
The only n's where A129568(n) does not divide A129567(n), for n < 169, are n = 18 and 22. - Max Alekseyev, Jun 16 2007
LINKS
Leroy Quet, Jun 16 2007, Table of n, a(n) for n = 1..100
MATHEMATICA
DivisorSigma[0, #]&/@Denominator[HarmonicNumber[Range[50]]] (* Harvey P. Dale, Mar 10 2019 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Leroy Quet, Apr 22 2007
EXTENSIONS
More terms from Max Alekseyev, Jun 16 2007
STATUS
approved