OFFSET
1,2
COMMENTS
See A073101 for the 4/n conjecture due to Erdős and Straus.
MATHEMATICA
f[n_] := Length@ Solve[ 3/n == 1/x + 1/y + 1/z && 1 <= x <= y <= z, {x, y, z}, Integers]; Array[f, 70]
CROSSREFS
KEYWORD
nonn
AUTHOR
Allan C. Wechsler and Robert G. Wilson v, Aug 17 2013
STATUS
approved