Number of n-vertex binary trees that do not contain 0[0(0[0(00)])] as a subtree.
A365508
Number of n-vertex binary trees that do not contain 0[0(0[0(00)])] as a subtree.
Terms
- a(0) =1a(1) =2a(2) =5a(3) =14a(4) =41a(5) =123a(6) =375a(7) =1157a(8) =3603a(9) =11304a(10) =35683a(11) =113219a(12) =360805a(13) =1154140
External references
- oeis: A365508