Number of fractional partitions of n where each element of a partition is a rational number r/s such that r < s, s <= n, and gcd(r,s) = 1.

A290474

Number of fractional partitions of n where each element of a partition is a rational number r/s such that r < s, s <= n, and gcd(r,s) = 1.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =12a(4) =135a(5) =4477a(6) =100160a(7) =8663934a(8) =485380025a(9) =80730951180

External references