Number of unlabeled rooted trees with n vertices such that every branch of the root has the same number of leaves.

A298533

Number of unlabeled rooted trees with n vertices such that every branch of the root has the same number of leaves.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =4a(4) =8a(5) =15a(6) =31a(7) =64a(8) =144a(9) =333a(10) =808a(11) =2004a(12) =5109a(13) =13199a(14) =34601a(15) =91539a(16) =244307a(17) =656346a(18) =1774212a(19) =4820356a(20) =13157591a(21) =36060811a(22) =99198470a(23) =273790194a(24) =757971757a(25) =2104222594a(26) =5856496542a(27) =16338140048a(28) =45678276507a(29) =127964625782

External references