Number of permutations in the symmetric group S_n such that the maximal cycle has length exactly 3.

A071007

Number of permutations in the symmetric group S_n such that the maximal cycle has length exactly 3.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =2a(4) =8a(5) =40a(6) =200a(7) =980a(8) =5152a(9) =28448a(10) =162080a(11) =979000a(12) =6179360a(13) =40575392a(14) =279199648a(15) =1997406320a(16) =14825619200a(17) =114365751040a(18) =912510870272

External references