Number of 3-colorable (i.e., chromatic number <= 3) simple graphs on n nodes.

A076315

Number of 3-colorable (i.e., chromatic number <= 3) simple graphs on n nodes.

Terms

    a(0) =1a(1) =2a(2) =4a(3) =10a(4) =29a(5) =119a(6) =667a(7) =6024a(8) =88500a(9) =2109828a(10) =78347534a(11) =4383817811a(12) =362181166439

External references