Data:K11a96/HOMFLYPT Polynomial

[math]\displaystyle{ a^6-3 z^2 a^4-2 a^4+3 z^4 a^2+4 z^2 a^2+2 a^2-z^6-2 z^4-4 z^2-1+2 z^4 a^{-2} +2 z^2 a^{-2} + a^{-2} -z^2 a^{-4} }[/math]