Number of noncomposites in the reduced residue system of n-th primorial number, A002110(n).
A276497
Number of noncomposites in the reduced residue system of n-th primorial number, A002110(n).
Terms
- a(0) =1a(1) =2a(2) =8a(3) =43a(4) =339a(5) =3243a(6) =42325a(7) =646022a(8) =12283523a(9) =300369787a(10) =8028643000a(11) =25948875073
External references
- oeis: A276497