Primes of the form identical digits preceded by a 7.
A090155
Primes of the form identical digits preceded by a 7.
Terms
- a(0) =7a(1) =71a(2) =73a(3) =79a(4) =733a(5) =7333a(6) =79999a(7) =733333a(8) =799999a(9) =71111111a(10) =799999999a(11) =79999999999
External references
- oeis: A090155