OFFSET
1,1
COMMENTS
See the Comment on distinct-product sequences in A160009.
LINKS
Clark Kimberling, Table of n, a(n) for n = 1..1000
EXAMPLE
17 = 3*6; 405 = 3*9*15.
MATHEMATICA
f[1] = 3; f[2] = 6; z = 33; f[n_] := f[n - 1] + f[n - 2]; f = Table[f[n], {n, 1, z}]; f
s = {1}; Do[s = Union[s, Select[s*f[[i]], # <= f[[z]] &]], {i, z}]; s1 = Rest[s]
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Jun 17 2016
STATUS
approved