Number of rooted identity trees with 3-colored nodes.

A038079

Number of rooted identity trees with 3-colored nodes.

Terms

    a(0) =3a(1) =9a(2) =36a(3) =192a(4) =1089a(5) =6642a(6) =42129a(7) =275571a(8) =1844028a(9) =12567762a(10) =86924745a(11) =608612814a(12) =4305284400a(13) =30723593751a(14) =220917003516

External references