Prime unoriented alternating links with n crossings and 2 components.

Terms

a(0) =0a(1) =1a(2) =0a(3) =1a(4) =1a(5) =3a(6) =6a(7) =14a(8) =42a(9) =121a(10) =384a(11) =1408a(12) =5100a(13) =21854a(14) =92234a(15) =427079a(16) =2005800a(17) =9716848a(18) =48184018a(19) =241210386a(20) =1228973463a(21) =6301831944a(22) =32663182521a(23) =170407462900