Number of homeomorphically irreducible leaf colored trees with n leaves of 3 colors.

A339783

Number of homeomorphically irreducible leaf colored trees with n leaves of 3 colors.

Terms

    a(0) =1a(1) =3a(2) =6a(3) =10a(4) =36a(5) =144a(6) =706a(7) =3774a(8) =22140a(9) =137096a(10) =888522a(11) =5950434a(12) =40936518a(13) =287748366a(14) =2059386024a(15) =14964163584a(16) =110160504906a(17) =820172543046

External references