Related to label-increasing forests with branching bounded by 3.

A297198

Related to label-increasing forests with branching bounded by 3.

Terms

    a(0) =1a(1) =3a(2) =9a(3) =30a(4) =120a(5) =579a(6) =3282a(7) =21375a(8) =157365a(9) =1292667a(10) =11722416a(11) =116327220a(12) =1253939835a(13) =14590810566a(14) =182283001623

External references