Number of planar graphs with n nodes and chromatic number 2.

A164099

Number of planar graphs with n nodes and chromatic number 2.

Terms

    a(0) =1a(1) =2a(2) =6a(3) =12a(4) =33a(5) =83a(6) =273a(7) =937a(8) =3983a(9) =18871a(10) =103697a(11) =628245a(12) =4161652a(13) =29372754a(14) =218035754

External references