a(n) = the least positive number X such that Cn(X) is X-smooth, where Cn is the n-th cyclotomic polynomial and "X-smooth" means "has no prime factor greater than X".
A074270
a(n) = the least positive number X such that Cn(X) is X-smooth, where Cn is the n-th cyclotomic polynomial and "X-smooth" means "has no prime factor greater than X".
Terms
- a(0) =2a(1) =3a(2) =16a(3) =7a(4) =2205a(5) =17a(6) =174037a(7) =1600a(8) =45796a(9) =984
External references
- oeis: A074270