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

A318865

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

Terms

    a(0) =0a(1) =1a(2) =1a(3) =3a(4) =8a(5) =22a(6) =60a(7) =167a(8) =465a(9) =1307a(10) =3682a(11) =10422a(12) =29593a(13) =84291a(14) =240663a(15) =688685a(16) =1974519a(17) =5670969a(18) =16312391a(19) =46987389a(20) =135514781a(21) =391278211a(22) =1130924824a(23) =3271850658a(24) =9473951229a(25) =27454745755a(26) =79620703854a(27) =231064697016a(28) =670994912068

External references