Number of connected graphs with n nodes and ceiling(n(n-1)/4) edges.
A001437
Number of connected graphs with n nodes and ceiling(n(n-1)/4) edges.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =5a(4) =22a(5) =138a(6) =1579a(7) =33366a(8) =1348674a(9) =105925685a(10) =15968704512
External references
- oeis: A001437