Data:L11n328/HOMFLYPT Polynomial

From Knot Atlas

z⁶−a²z⁴−2z⁴a⁻² + 5z⁴−3a²z²−7z²a⁻² + z²a⁻⁴ + 9z²−2a²−7a⁻² + 2a⁻⁴ + 7−2a⁻²z⁻² + a⁻⁴z⁻² + z⁻²