Data:10 128/HOMFLYPT Polynomial

${\frac {z^{6}}{a^{6}}}+{\frac {z^{6}}{a^{8}}}+{\frac {5z^{4}}{a^{6}}}+{\frac {5z^{4}}{a^{8}}}-{\frac {z^{4}}{a^{10}}}+{\frac {6z^{2}}{a^{6}}}+{\frac {6z^{2}}{a^{8}}}-{\frac {5z^{2}}{a^{10}}}+{\frac {2}{a^{6}}}+{\frac {2}{a^{8}}}-{\frac {4}{a^{10}}}+{\frac {1}{a^{12}}}$