Data:10 122/HOMFLYPT Polynomial

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