Data:L10n40/HOMFLYPT Polynomial

From Knot Atlas

−z⁵a⁻¹ + 2az³−4z³a⁻¹ + z³a⁻³−a³z + 5az−5za⁻¹ + 2za⁻³−a³z⁻¹ + 3az⁻¹−2a⁻¹z⁻¹