Data:8 5/HOMFLYPT Polynomial

[math]\displaystyle{ -\frac{z^6}{a^4}+\frac{z^4}{a^2}-\frac{5 z^4}{a^4}+\frac{z^4}{a^6}+\frac{4 z^2}{a^2}-\frac{8 z^2}{a^4}+\frac{3 z^2}{a^6}+\frac{4}{a^2}-\frac{5}{a^4}+\frac{2}{a^6} }[/math]