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

A318867

Number of rooted trees with n nodes such that ten 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) =1306a(10) =3681a(11) =10423a(12) =29598a(13) =84313a(14) =240753a(15) =689013a(16) =1975659a(17) =5674795a(18) =16324964a(19) =47028023a(20) =135644560a(21) =391688786a(22) =1132214211a(23) =3275875432a(24) =9486452173a(25) =27493411246a(26) =79739872605a(27) =231430858159a(28) =672117007940

External references