Total number of interior nodes in all series-parallel networks with n labeled edges, multiple edges allowed.
A058480
Total number of interior nodes in all series-parallel networks with n labeled edges, multiple edges allowed.
Terms
- a(0) =0a(1) =0a(2) =1a(3) =8a(4) =78a(5) =944a(6) =13760a(7) =235248a(8) =4620224a(9) =102551296a(10) =2539240416a(11) =69398978560
External references
- oeis: A058480