Total number of decreasing runs in all heapable permutations of length n.
A389232
Total number of decreasing runs in all heapable permutations of length n.
Terms
- a(0) =1a(1) =2a(2) =5a(3) =16a(4) =64a(5) =309a(6) =1762a(7) =11612a(8) =87053a(9) =732514a(10) =6843547a(11) =70340402a(12) =789273399a(13) =9604401877a(14) =126021340536
External references
- oeis: A389232