Number of unrooted level-1 phylogenetic networks (also called galled trees) with (n+1) labeled leaves.

A328121

Number of unrooted level-1 phylogenetic networks (also called galled trees) with (n+1) labeled leaves.

Terms

    a(0) =1a(1) =2a(2) =15a(3) =192a(4) =3450a(5) =79740a(6) =2252880a(7) =75227040a(8) =2898481320a(9) =126570502800

External references