login
A094515
Consider numbers which are denominators of at least one reduced rational sum{k=1 to m} 1/k^n, taken over all positive integers m and n (a sequence not yet in the database). Sequence gives denominators which occur more than once.
1
2520, 3600, 27720, 360360, 5173168, 1296000, 153679680, 8923714800, 16003008000
OFFSET
1,1
CROSSREFS
Cf. A094509.
Sequence in context: A068352 A175754 A068547 * A179700 A066531 A258540
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, based on a suggestion of Hugo van der Sanden, Jun 05, 2004
EXTENSIONS
The sequence of denominators should be added too.
STATUS
approved