Number of rooted trees with n nodes such that two equals the maximal number of subtrees of the same size extending from the same node.

A318817

Number of rooted trees with n nodes such that two equals the maximal number of subtrees of the same size extending from the same node.

Terms

    a(0) =0a(1) =1a(2) =1a(3) =4a(4) =9a(5) =22a(6) =54a(7) =139a(8) =346a(9) =892a(10) =2290a(11) =5945a(12) =15465a(13) =40527a(14) =106308a(15) =280629a(16) =742107a(17) =1969394a(18) =5239322a(19) =13980900a(20) =37368692a(21) =100157418a(22) =268900827a(23) =723400570a(24) =1949440608a(25) =5262932344a(26) =14227803491a(27) =38529294292a(28) =104473993774a(29) =283672750693

External references