Numbers k such that k^2 contains only digits {5,6,9}.

A053970

Numbers k such that k^2 contains only digits {5,6,9}.

Terms

    a(0) =3a(1) =236a(2) =264a(3) =834a(4) =3114a(5) =83666a(6) =2440614a(7) =978087913a(8) =998298337a(9) =3097740563a(10) =75203523634

External references