OFFSET
1,16
COMMENTS
First 31 terms the same as A050370.
LINKS
FORMULA
MATHEMATICA
Array[If[# == 1, 1, Nest[PrimeOmega, #, 2]] &, 105] (* Michael De Vlieger, Jul 29 2017 *)
PROG
(PARI) a(n) = if (n==1, 1, bigomega(bigomega(n))); \\ Michel Marcus, Jul 28 2017
CROSSREFS
KEYWORD
nonn
AUTHOR
Vladimir Joseph Stephan Orlovsky, Nov 10 2009
EXTENSIONS
Name clarified by Antti Karttunen, Jul 28 2017
STATUS
approved