a(1) = 1, a(n) = smallest number == 1 mod (a(n-1)) and > 1 such that every concatenation (n>1) is prime.
A088095
a(1) = 1, a(n) = smallest number == 1 mod (a(n-1)) and > 1 such that every concatenation (n>1) is prime.
Terms
- a(0) =1a(1) =3a(2) =7a(3) =29a(4) =117a(5) =1639a(6) =45893a(7) =734289a(8) =54337387a(9) =434699097
External references
- oeis: A088095