Number of unlabeled bicolored graphs, with no isolated nodes, on 2n nodes having n nodes of each color and allowing the color classes to be interchanged.
A007140
Number of unlabeled bicolored graphs, with no isolated nodes, on 2n nodes having n nodes of each color and allowing the color classes to be interchanged.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =14a(4) =115a(5) =2086a(6) =101791a(7) =14835870a(8) =6852422567
External references
- oeis: A007140