Numbers k such that k^2 contains only digits {2,3,9}.
A053920
Numbers k such that k^2 contains only digits {2,3,9}.
Terms
- a(0) =3a(1) =173a(2) =577a(3) =1823a(4) =4827a(5) =3036823a(6) =6271677a(7) =96032923a(8) =179721989173a(9) =184207283323
External references
- oeis: A053920