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
8 = 2*4, 480 = 2*4*6*10.
MATHEMATICA
f[1] = 2; f[2] = 4; z = 32; f[n_] := f[n - 1] + f[n - 2]; f = Table[f[n], {n, 1, z}]; f
s = {2}; Do[s = Union[s, Select[s*f[[i]], # <= f[[z]] &]], {i, z}]; s
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Jun 17 2016
STATUS
approved