Number of simple unlabeled graphs with n nodes and n(n-1)/4 edges.
A218113
Number of simple unlabeled graphs with n nodes and n(n-1)/4 edges.
Terms
- a(0) =1a(1) =0a(2) =0a(3) =3a(4) =6a(5) =0a(6) =0a(7) =1646a(8) =34040a(9) =0a(10) =0a(11) =16006173014a(13) =0a(14) =0a(17) =0a(18) =0a(21) =0a(22) =0
External references
- oeis: A218113