Number of rooted trees with n nodes such that six equals the maximal number of subtrees of the same size extending from the same node.
A318821
Number of rooted trees with n nodes such that six equals the maximal number of subtrees of the same size extending from the same node.
Terms
- a(0) =0a(1) =1a(2) =1a(3) =3a(4) =8a(5) =22a(6) =60a(7) =168a(8) =466a(9) =1306a(10) =3677a(11) =10400a(12) =29503a(13) =83969a(14) =239533a(15) =684880a(16) =1961986a(17) =5630451a(18) =16182950a(19) =46577929a(20) =134228796a(21) =387264335a(22) =1118459507a(23) =3233302665a(24) =9355173164a(25) =27089886520a(26) =78502923212a(27) =227648300409a(28) =660574571072
External references
- oeis: A318821