Total number of distinct nilpotent subgroups of the symmetric group, counting conjugates as distinct.

A218939

Total number of distinct nilpotent subgroups of the symmetric group, counting conjugates as distinct.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =5a(4) =24a(5) =102a(6) =837a(7) =5119a(8) =78670a(9) =664658a(10) =13514453a(11) =137227213a(12) =4919721831a(13) =60598902665

External references