Data:10 163/HOMFLYPT Polynomial

[math]\displaystyle{ z^6 a^{-2} +3 z^4 a^{-2} -z^4 a^{-4} -z^4+2 z^2 a^{-2} -z^2- a^{-2} +2 a^{-4} - a^{-6} +1 }[/math]