Data:K11a301/HOMFLYPT Polynomial

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