Weighted sum of all cyclic subgroups of prime order of the symmetric group S_n.
A181954
Weighted sum of all cyclic subgroups of prime order of the symmetric group S_n.
Terms
- a(0) =0a(1) =2a(2) =9a(3) =30a(4) =110a(5) =450a(6) =2457a(7) =11774a(8) =47910a(9) =264630a(10) =5565065a(11) =56021922a(12) =866143434a(13) =9894742130a(14) =78233264865a(15) =470058202350
External references
- oeis: A181954