OFFSET
1,2
LINKS
Reinhard Zumkeller, Table of n, a(n) for n = 1..10000
Eric Weisstein's World of Mathematics, Perfect Powers.
Eric Weisstein's World of Mathematics, Greatest Prime Factor.
MATHEMATICA
perfPQ[n_]:=GCD@@FactorInteger[n][[All, 2]]>1; Join[ {1}, FactorInteger[ #][[-1, 1]]&/@ Select[Range[5000], perfPQ]] (* Harvey P. Dale, Sep 12 2021 *)
PROG
(Haskell)
a076397 = a006530 . a025478 -- Reinhard Zumkeller, Mar 28 2014
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Oct 09 2002
STATUS
approved