Smallest m such that 5^m begins with n 9's after the first digit.
A385971
Smallest m such that 5^m begins with n 9's after the first digit.
Terms
- a(0) =0a(1) =8a(2) =195a(3) =799a(4) =28737a(5) =167821a(6) =325146a(7) =6432162a(8) =543157237a(9) =1807789217a(10) =3731189547a(11) =3731189547
External references
- oeis: A385971