Numbers k such that k^2 contains only digits {2,3,4}.
A053916
Numbers k such that k^2 contains only digits {2,3,4}.
Terms
- a(0) =2a(1) =18a(2) =482a(3) =5868a(4) =20838a(5) =208188a(6) =492162a(7) =6582038a(8) =2054834162
External references
- oeis: A053916