Number of rooted binary unordered tanglegrams of size n.
A259114
Number of rooted binary unordered tanglegrams of size n.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =10a(4) =69a(5) =807a(6) =13048a(7) =269221a(8) =6660455a(9) =191411477a(10) =6257905519a(11) =229312906604
External references
- oeis: A259114