Primes of the form aaaa...aa1 where a is 1, 2, 3, 4 or 5.
A109548
Primes of the form aaaa...aa1 where a is 1, 2, 3, 4 or 5.
Terms
- a(0) =11a(1) =31a(2) =41a(3) =331a(4) =2221a(5) =3331a(6) =4441a(7) =33331a(8) =333331a(9) =3333331a(10) =33333331a(11) =44444444441a(12) =555555555551
External references
- oeis: A109548