OFFSET
1,2
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..847 (Calculated from the b-file at A007340)
EXAMPLE
a(3) = 5, because 5 is harmonic mean of divisors of A007340(3)=140 and also is divisor of 140.
CROSSREFS
KEYWORD
nonn
AUTHOR
Jaroslav Krizek, Mar 07 2009, Apr 12 2009
EXTENSIONS
More terms from Amiram Eldar, Jul 09 2019
STATUS
approved