n! times sum of Farey fractions of order n.

A093593

n! times sum of Farey fractions of order n.

Terms

    a(0) =1a(1) =3a(2) =15a(3) =84a(4) =660a(5) =4680a(6) =47880a(7) =463680a(8) =5261760a(9) =59875200a(10) =858211200a(11) =11256537600a(12) =183697113600

External references