Number of positive knots with n crossings.

Terms

a(0) =0a(1) =0a(2) =1a(3) =0a(4) =1a(5) =0a(6) =1a(7) =1a(8) =1a(9) =3a(10) =2a(11) =7a(12) =9a(13) =17a(14) =47