a(n) is the number of irreducible element forms for Z/pZ, with p = prime(n).
A308164
a(n) is the number of irreducible element forms for Z/pZ, with p = prime(n).
Terms
- a(0) =2a(1) =4a(2) =23a(3) =108a(4) =1398a(5) =4367a(6) =33321a(7) =84544a(8) =465774
External references
- oeis: A308164