Data:L8a16/HOMFLYPT Polynomial

From Knot Atlas

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