Number of connected cubic simple graphs on 2n unlabeled nodes with chromatic index 4.

A357446

Number of connected cubic simple graphs on 2n unlabeled nodes with chromatic index 4.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =2a(4) =5a(5) =34a(6) =212a(7) =1614a(8) =14059a(9) =144712a(10) =1726497a(11) =23550891a(12) =361098825a(13) =6137247735

External references