Numbers k such that k^2 contains only digits {2,8,9}.

A053934

Numbers k such that k^2 contains only digits {2,8,9}.

Terms

    a(0) =3a(1) =17a(2) =173a(3) =2983a(4) =298327a(5) =1732017a(6) =5412290577a(7) =9964933517

External references