Data:K15a72688/HOMFLYPT Polynomial

[math]\displaystyle{ -z^{10}+2 a^2 z^8+3 z^8 a^{-2} -3 z^8-a^4 z^6+5 a^2 z^6+7 z^6 a^{-2} -3 z^6 a^{-4} -4 z^6-2 a^4 z^4+5 a^2 z^4+4 z^4 a^{-2} -5 z^4 a^{-4} +z^4 a^{-6} +2 z^4-2 a^4 z^2-3 z^2 a^{-2} -2 z^2 a^{-4} +z^2 a^{-6} +8 z^2-2 a^2-2 a^{-2} +5 }[/math]