Inverse Euler transform of the number of distinct prime factors (without multiplicity) function A001221.
A320777
Inverse Euler transform of the number of distinct prime factors (without multiplicity) function A001221.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =1a(4) =0a(5) =0a(6) =0a(7) =0a(8) =-1a(9) =-1a(10) =1a(11) =1a(12) =0a(13) =-1a(14) =0a(15) =1a(16) =-1a(17) =-2a(18) =1a(19) =3a(20) =1a(21) =-2a(22) =-2a(23) =1a(24) =0a(25) =-4a(26) =0a(27) =6a(28) =6a(29) =-4
External references
- oeis: A320777