Number of ternary rooted trees with n nodes and height at most 3.

A036371

Number of ternary rooted trees with n nodes and height at most 3.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =2a(4) =3a(5) =4a(6) =4a(7) =5a(8) =4a(9) =4a(10) =3a(11) =2a(12) =1a(13) =1

External references