Numbers k such that k and k^2 use only the digits 3, 5, 6 and 9.
A137135
Numbers k such that k and k^2 use only the digits 3, 5, 6 and 9.
Terms
- a(0) =3a(1) =6a(2) =63a(3) =59693966663
External references
- oeis: A137135
A137135
Numbers k such that k and k^2 use only the digits 3, 5, 6 and 9.