OFFSET
1,2
EXAMPLE
n = 5 = 5^1 gives 5/1 + 1/5 = 26/5, so a(5) = 26;
n = 6 = (2^1)*(3^1) gives 6/1 + 3/2 + 2/3 + 1/6 = 25/3, so a(6) = 25.
The first 10 sums: 1/1, 5/2, 10/3, 17/4, 26/5, 25/3, 50/7, 65/8, 82/9, 13/1.
MATHEMATICA
CROSSREFS
KEYWORD
nonn,easy,frac
AUTHOR
Clark Kimberling, Oct 31 2013
EXTENSIONS
Definition corrected by Clark Kimberling, Jun 16 2018
STATUS
approved