Number of labeled graphs with 2-colored nodes where black nodes are only connected to white nodes and vice versa.
A047863
Number of labeled graphs with 2-colored nodes where black nodes are only connected to white nodes and vice versa.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =26a(4) =162a(5) =1442a(6) =18306a(7) =330626a(8) =8488962a(9) =309465602a(10) =16011372546
External references
- oeis: A047863