Numbers k such that k and k^3 use only odd digits.
A085597
Numbers k such that k and k^3 use only odd digits.
Terms
- a(0) =1a(1) =11a(2) =15a(3) =33a(4) =39a(5) =71a(6) =91a(7) =173a(8) =175a(9) =179a(10) =335a(11) =3337a(12) =5597a(13) =7353
External references
- oeis: A085597