Data:L10n7/HOMFLYPT Polynomial

From Knot Atlas

a⁷z⁻¹−z³a⁵−3za⁵−a⁵z⁻¹ + z⁵a³ + 3z³a³−a³z⁻¹ + z⁵a + 4z³a + 4za + 2az⁻¹−z³a⁻¹−3za⁻¹−a⁻¹z⁻¹