Total number of inversions in all heapable permutations of length n.
A388138
Total number of inversions in all heapable permutations of length n.
Terms
- a(0) =0a(1) =0a(2) =1a(3) =6a(4) =40a(5) =275a(6) =2093a(7) =17450a(8) =159847a(9) =1599562a(10) =17408959a(11) =205030403a(12) =2600927708a(13) =35384797064a(14) =514235496879
External references
- oeis: A388138