a(1) = 97 ( the smallest prime beginning with 9) and then the smallest prime with leading digits containing a(n-1).
A068852
a(1) = 97 ( the smallest prime beginning with 9) and then the smallest prime with leading digits containing a(n-1).
Terms
- a(0) =97a(1) =971a(2) =9719a(3) =971903a(4) =9719033a(5) =971903321a(6) =97190332117a(7) =971903321177
External references
- oeis: A068852