Data:L9a51/HOMFLYPT Polynomial

From Knot Atlas

z⁶a⁻² + 3z⁴a⁻²−2z⁴a⁻⁴−z⁴ + 3z²a⁻²−4z²a⁻⁴ + z²a⁻⁶−z² + a⁻²−3a⁻⁴ + a⁻⁶ + 1 + a⁻²z⁻²−2a⁻⁴z⁻² + a⁻⁶z⁻²