Number of nontrivial (girth >=5) snarks on 2n nodes.

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =1a(5) =0a(6) =0a(7) =0a(8) =2a(9) =6a(10) =20a(11) =38a(12) =280a(13) =2900a(14) =28399a(15) =293059a(16) =3833587a(17) =60167732