Smallest number which has more different digits than its n-th power, or -1 if no such number exists.
A061724
Smallest number which has more different digits than its n-th power, or -1 if no such number exists.
Terms
- a(0) =109a(1) =1920a(2) =26730a(3) =4385270a(4) =13486709a(5) =13652048a(6) =134267085a(7) =285963417a(8) =341872690a(9) =1032479568a(10) =1026349857a(11) =1027563984a(12) =1029637584a(13) =1239574806a(14) =2059716348a(15) =1654923078a(16) =58157032649a(17) =8152497360a(18) =17345693802a(19) =127601348591
External references
- oeis: A061724