Number of permutations in the symmetric group S_n such that the size of their conjugacy class is odd.

A088042

Number of permutations in the symmetric group S_n such that the size of their conjugacy class is odd.

Terms

    a(0) =1a(1) =2a(2) =4a(3) =4a(4) =16a(5) =76a(6) =232a(7) =106a(8) =946a(9) =5716a(10) =27776a(11) =63856a(12) =272416a(13) =2390480a(14) =10349536a(15) =2027026a(16) =34459426a(17) =344594404a(18) =2618916472a(19) =10475679736a(20) =54997260256a(21) =568305978472

External references