Data:L11n209/HOMFLYPT Polynomial

[math]\displaystyle{ a^7 z^5+4 a^7 z^3+4 a^7 z-a^5 z^7-6 a^5 z^5-12 a^5 z^3-7 a^5 z+a^5 z^{-1} +a^3 z^5+3 a^3 z^3+a^3 z-a^3 z^{-1} }[/math]