Number of ways to partition n into distinct reduced fractions i/j with j <= n.

A154887

Number of ways to partition n into distinct reduced fractions i/j with j <= n.

Terms

    a(0) =1a(1) =2a(2) =11a(3) =71a(4) =838a(5) =7915a(6) =181443a(7) =3529287a(8) =130501170a(9) =4118232210a(10) =269279551654

External references