Primes of the form identical digits preceded by a 5.
A090153
Primes of the form identical digits preceded by a 5.
Terms
- a(0) =5a(1) =53a(2) =59a(3) =577a(4) =599a(5) =5333a(6) =59999a(7) =511111a(8) =599999a(9) =59999999a(10) =577777777a(11) =59999999999
External references
- oeis: A090153