OFFSET
1,2
COMMENTS
a(n) = the smallest positive integer with exactly sum{k=1 to n} d(k) (or sum{k=1 to n} floor(n/k)) divisors.
CROSSREFS
KEYWORD
nonn
AUTHOR
Leroy Quet, Jun 01 2009
EXTENSIONS
Extended by Ray Chandler, Jun 13 2009
STATUS
approved