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

A126737

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

Terms

    a(0) =0a(1) =0a(2) =1a(3) =2a(4) =12a(5) =64a(6) =475a(7) =5036a(8) =80947a(9) =2010328a(10) =76115143

External references