Number of prime alternating tangles (or knots) of type Gamma_1 with two connected components.
A067644
Number of prime alternating tangles (or knots) of type Gamma_1 with two connected components.
Terms
- a(0) =1a(1) =0a(2) =2a(3) =2a(4) =6a(5) =30a(6) =62a(7) =382a(8) =1338a(9) =6216a(10) =29656a(11) =131316a(12) =669138a(13) =3156172a(14) =16032652a(15) =80104192a(16) =408448012a(17) =2105616701
External references
- oeis: A067644