a(n) is the least number k such that there are exactly n biquadratefree powerful numbers (A338325) between k^2 and (k+1)^2.

A338327

a(n) is the least number k such that there are exactly n biquadratefree powerful numbers (A338325) between k^2 and (k+1)^2.

Terms

    a(0) =1a(1) =2a(2) =14a(3) =36a(4) =234a(5) =3510a(6) =211297a(7) =487425a(8) =20136429

External references