Total number of inversions in all permutations of [n] where the descent set equals the subset of odd elements in [n-1].
A337193
Total number of inversions in all permutations of [n] where the descent set equals the subset of odd elements in [n-1].
Terms
- a(0) =0a(1) =0a(2) =1a(3) =3a(4) =18a(5) =80a(6) =495a(7) =2856a(8) =20244a(9) =142848a(10) =1167885a(11) =9729280a(12) =90858438a(13) =872361984a(14) =9193900443a(15) =99947258880
External references
- oeis: A337193