Number of series-parallel networks with n labeled edges. Also called yoke-chains by Cayley and MacMahon.
A006351
Number of series-parallel networks with n labeled edges. Also called yoke-chains by Cayley and MacMahon.
Terms
- a(0) =1a(1) =2a(2) =8a(3) =52a(4) =472a(5) =5504a(6) =78416a(7) =1320064a(8) =25637824a(9) =564275648a(10) =13879795712a(11) =377332365568
External references
- oeis: A006351