Number of rooted full binary trees with n internal nodes, up to their multiset of subtree sizes.

A382440

Number of rooted full binary trees with n internal nodes, up to their multiset of subtree sizes.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =3a(4) =6a(5) =11a(6) =23a(7) =45a(8) =95a(9) =194a(10) =414a(11) =863a(12) =1850a(13) =3910a(14) =8413a(15) =17887a(16) =38517a(17) =82249a(18) =177133a(19) =378871a(20) =815265a(21) =1745006a(22) =3750385a(23) =8024725a(24) =17219142a(25) =36817113

External references