Total number of inversions in all derangement permutations of [n].
A216239
Total number of inversions in all derangement permutations of [n].
Terms
- a(0) =0a(1) =0a(2) =1a(3) =4a(4) =34a(5) =260a(6) =2275a(7) =21784a(8) =228676a(9) =2614296a(10) =32372805a(11) =431971100a(12) =6182204006a(13) =94495208444
External references
- oeis: A216239