Number of permutations in the symmetric group S_n that have even order.
A059838
Number of permutations in the symmetric group S_n that have even order.
Terms
- a(0) =0a(1) =0a(2) =1a(3) =3a(4) =15a(5) =75a(6) =495a(7) =3465a(8) =29295a(9) =263655a(10) =2735775a(11) =30093525a(12) =370945575a(13) =4822292475a(14) =68916822975
External references
- oeis: A059838