Smallest number whose n-th power begins with precisely n identical digits (in base ten).
A131699
Smallest number whose n-th power begins with precisely n identical digits (in base ten).
Terms
- a(0) =1a(1) =15a(2) =322a(3) =167a(4) =6444a(5) =32183a(6) =7306a(7) =225418a(8) =6551032a(9) =683405939a(10) =7074698775a(11) =26331754107a(12) =844494314469
External references
- oeis: A131699