Number of subgroups of S_n isomorphic to S_4, where S_n is the n-th symmetric group.

A378280

Number of subgroups of S_n isomorphic to S_4, where S_n is the n-th symmetric group.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =1a(4) =5a(5) =60a(6) =560a(7) =5740a(8) =58716a(9) =734160a(10) =8337120a(11) =133212420a(12) =1769490580

External references