OFFSET
1,16
LINKS
Antti Karttunen, Table of n, a(n) for n = 1..10000
Henry Bottomley, Some Smarandache-type multiplicative sequences.
FORMULA
a(n) = n/A058035(n).
Multiplicative with a(p^e) = p^max(e-3, 0). - Amiram Eldar, Sep 07 2020
MATHEMATICA
f[p_, e_] := p^Max[e-3, 0]; a[n_] := Times @@ (f @@@ FactorInteger[n]); Array[a, 100] (* Amiram Eldar, Sep 07 2020 *)
PROG
CROSSREFS
KEYWORD
nonn,mult
AUTHOR
Henry Bottomley, Jun 18 2001
STATUS
approved