Number of vertex-transitive graphs of valency 3 with 2n nodes.

Terms

a(0) =1a(1) =2a(2) =3a(3) =3a(4) =7a(5) =3a(6) =7a(7) =7a(8) =11a(9) =3a(10) =20a(11) =5a(12) =10a(13) =15a(14) =17a(15) =5a(16) =24a(17) =5a(18) =25a(19) =15a(20) =11a(21) =5a(22) =56a(23) =12a(24) =16a(25) =20a(26) =28a(27) =7a(28) =65a(29) =7