Total number of interior nodes in all series-parallel networks with n labeled edges, multiple edges not allowed.
A058475
Total number of interior nodes in all series-parallel networks with n labeled edges, multiple edges not allowed.
Terms
- a(0) =0a(1) =0a(2) =1a(3) =5a(4) =41a(5) =394a(6) =4704a(7) =65386a(8) =1049754a(9) =19032392a(10) =385419072a(11) =8615947592a(12) =210831826952
External references
- oeis: A058475