a(n) is the smallest prime p > n which cannot become prime by removing any number of initial digits in bases 2,...,n.
A221700
a(n) is the smallest prime p > n which cannot become prime by removing any number of initial digits in bases 2,...,n.
Terms
- a(0) =5a(1) =409a(2) =409a(3) =409a(4) =9721a(5) =47881a(6) =47881a(7) =47881a(8) =10366201a(9) =84768121a(10) =35581939201a(11) =45711198721
External references
- oeis: A221700