Number of vertex-transitive graphs of valency 6 with n nodes.

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =2a(5) =13a(6) =4a(7) =9a(8) =12a(9) =40a(10) =7a(11) =38a(12) =10a(13) =83a(14) =29a(15) =38a(16) =15a(17) =373a(18) =25a(19) =71a(20) =54a(21) =204a(22) =26a(23) =259a(24) =31