Number of squarefree integers with an even number of prime factors <= 10^n.

A348709

Number of squarefree integers with an even number of prime factors <= 10^n.

Terms

    a(0) =1a(1) =3a(2) =31a(3) =305a(4) =3030a(5) =30373a(6) =304069a(7) =3040164a(8) =30397311a(9) =303963451a(10) =3039618610a(11) =30396311212a(12) =303963582320

External references