OFFSET
1,6
LINKS
Antti Karttunen, Table of n, a(n) for n = 1..16384
Antti Karttunen, Data supplement: n, a(n) computed for n = 1..65537
FORMULA
MATHEMATICA
Table[If[PrimePowerQ[n], 1, Times@@FactorInteger[n][[All, 1]]], {n, 100}] (* Harvey P. Dale, May 23 2021 *)
PROG
(PARI) A340679(n) = if(isprimepower(n), 1, factorback(factorint(n)[, 1]));
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Feb 01 2021
STATUS
approved