Numbers k such that 2*3^k + 1 is prime and divides Phi(3^m, 2).
A334993
Numbers k such that 2*3^k + 1 is prime and divides Phi(3^m, 2).
Terms
- a(0) =1a(1) =5a(2) =9a(3) =17a(4) =57a(5) =65a(6) =897a(7) =4217a(8) =6225a(9) =152529a(10) =3648969a(11) =5570081a(12) =10852677
External references
- oeis: A334993