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

A318820

Number of rooted trees with n nodes such that five 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) =61a(7) =168a(8) =465a(9) =1302a(10) =3659a(11) =10333a(12) =29255a(13) =83096a(14) =236609a(15) =675311a(16) =1931235a(17) =5532421a(18) =15873557a(19) =45608348a(20) =131208906a(21) =377906025a(22) =1089573851a(23) =3144456980a(24) =9082730826a(25) =26256633715a(26) =75960348880a(27) =219905556560a(28) =637038643771

External references