Numbers k such that k^2 contains only digits {6,8,9}.
A053974
Numbers k such that k^2 contains only digits {6,8,9}.
Terms
- a(0) =3a(1) =83a(2) =264a(3) =836a(4) =3114a(5) =8167a(6) =98336a(7) =818333a(8) =828667a(9) =994836a(10) =9309617a(11) =984833336a(12) =82885443167a(13) =948097937383a(14) =984879122886
External references
- oeis: A053974