OFFSET
1,1
FORMULA
a(n) = A001358(n) mod 2.
MATHEMATICA
Mod[Select[Range[ 327], PrimeOmega[#]==2&], 2] (* James C. McMahon, Jan 31 2024 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Shyam Sunder Gupta, May 07 2005
STATUS
approved