Primes of the form 1 + repdigit. Primes whose totient is a repdigit.
A096505
Primes of the form 1 + repdigit. Primes whose totient is a repdigit.
Terms
- a(0) =3a(1) =5a(2) =7a(3) =23a(4) =67a(5) =89a(6) =223a(7) =666667a(8) =22222223a(9) =66666667a(10) =666666667a(11) =22222222223a(12) =66666666667
External references
- oeis: A096505