Total number of consecutive pairs across all heapable permutations of length n.
A389301
Total number of consecutive pairs across all heapable permutations of length n.
Terms
- a(0) =0a(1) =1a(2) =3a(3) =8a(4) =30a(5) =130a(6) =681a(7) =4118a(8) =28569a(9) =223448a(10) =1950349a(11) =18806419a(12) =198727385a(13) =2285028653a(14) =28416630601a(15) =380185208875
External references
- oeis: A389301