OFFSET
1,30
LINKS
Antti Karttunen, Table of n, a(n) for n = 1..10000
MATHEMATICA
Table[PrimeOmega@ n - BitOr @@ Map[Last, FactorInteger@ n], {n, 120}] /. -1 -> 0 (* Michael De Vlieger, Feb 04 2016 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Antti Karttunen, Feb 03 2016
STATUS
approved