Number of primitive abundant numbers (A071395) < 10^n.

A306986

Number of primitive abundant numbers (A071395) < 10^n.

Terms

    a(0) =0a(1) =3a(2) =14a(3) =98a(4) =441a(5) =1734a(6) =8667a(7) =41653a(8) =213087a(9) =1123424

External references