Number of height minimal AVL trees with n (leaf-) nodes.

Terms

a(0) =1a(1) =1a(2) =2a(3) =1a(4) =4a(5) =6a(6) =4a(7) =1a(8) =32a(9) =44a(10) =60a(11) =70a(12) =56a(13) =28a(14) =8a(15) =1a(16) =2720a(17) =4288a(18) =6312a(19) =9004a(20) =11992a(21) =14372a(22) =15400a(23) =14630a(24) =11968a(25) =8104a(26) =4376a(27) =1820a(28) =560a(29) =120