Triangle read by columns: T(n,k) = number of AVL trees of height n with k (leaf-) nodes, k>=1, A029837(k)<=n<A072649(k).
A217298
Triangle read by columns: T(n,k) = number of AVL trees of height n with k (leaf-) nodes, k>=1, A029837(k)<=n<A072649(k).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =1a(4) =4a(5) =6a(6) =4a(7) =1a(8) =16a(9) =32a(10) =44a(11) =60a(12) =70a(13) =56a(14) =128a(15) =28a(16) =448a(17) =8a(18) =864a(19) =1a(20) =1552a(21) =2720a(22) =4288a(23) =6312a(24) =9004a(25) =11992a(26) =4096a(27) =14372a(28) =22528a(29) =15400
External references
- oeis: A217298