Number of 3-chromatic (i.e., chromatic number equals 3) simple graphs on n nodes.
A076279
Number of 3-chromatic (i.e., chromatic number equals 3) simple graphs on n nodes.
Terms
- a(0) =0a(1) =0a(2) =1a(3) =3a(4) =16a(5) =84a(6) =579a(7) =5721a(8) =87381a(9) =2104349a(10) =78315231a(11) =4383566676a(12) =362178638727
External references
- oeis: A076279