OFFSET
1,3
LINKS
G. C. Greubel, Table of n, a(n) for n = 1..5000
MATHEMATICA
PrimeOmega[Select[Range[2, 500], Divisible[PrimeOmega[#], PrimeNu[#]] &]] (* G. C. Greubel, May 08 2017 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Nov 06 2002
STATUS
approved