Number of biconnected graphs on n nodes with chromatic number 3.

A126751

Number of biconnected graphs on n nodes with chromatic number 3.

Terms

    a(0) =0a(1) =0a(2) =1a(3) =1a(4) =6a(5) =30a(6) =232a(7) =2762a(8) =50814a(9) =1420183a(10) =58836784

External references