Numbers k such that k^2 contains only digits {3,6,7}.
A053946
Numbers k such that k^2 contains only digits {3,6,7}.
Terms
- a(0) =6a(1) =26a(2) =194a(3) =876a(4) =18376
External references
- oeis: A053946
A053946
Numbers k such that k^2 contains only digits {3,6,7}.