Numbers k such that the decimal expansion of 9^k contains no zeros (probably finite).
A030705
Numbers k such that the decimal expansion of 9^k contains no zeros (probably finite).
Terms
- a(0) =0a(1) =1a(2) =2a(3) =3a(4) =4a(5) =6a(6) =7a(7) =12a(8) =13a(9) =14a(10) =17a(11) =34
External references
- oeis: A030705