a(n) is the smallest prefix such that the numbers with k digits "3" appended are primes for k = 1..n.
A186069
a(n) is the smallest prefix such that the numbers with k digits "3" appended are primes for k = 1..n.
Terms
- a(0) =1a(1) =2a(2) =2a(3) =2a(4) =2177a(5) =16109a(6) =1100318a(7) =1315351a(8) =74810500a(9) =1130720467a(10) =103273582897
External references
- oeis: A186069