Number of graphs on n nodes with edge chromatic number 4.
A126730
Number of graphs on n nodes with edge chromatic number 4.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =10a(5) =58a(6) =347a(7) =2130a(8) =14039a(9) =103927
External references
- oeis: A126730