Number of disconnected 3-regular simple graphs on 2n vertices with girth exactly 4.
A185034
Number of disconnected 3-regular simple graphs on 2n vertices with girth exactly 4.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =1a(7) =2a(8) =9a(9) =35a(10) =176a(11) =1151a(12) =10329a(13) =120456a(14) =1701834a(15) =27500216a(16) =492269472a(17) =9599036308a(18) =201954501535
External references
- oeis: A185034