Number of transitive PSL_2(ZZ) actions on a finite labeled set of size n.

A121355

Number of transitive PSL_2(ZZ) actions on a finite labeled set of size n.

Terms

    a(0) =1a(1) =1a(2) =8a(3) =48a(4) =120a(5) =2640a(6) =30240a(7) =201600a(8) =4838400a(9) =96163200a(10) =1037836800a(11) =30496435200a(12) =828193766400

External references