Data:K12a672/HOMFLYPT Polynomial
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[math]\displaystyle{ -z^8 a^{-2} -z^8 a^{-4} -4 z^6 a^{-2} -3 z^6 a^{-4} +z^6 a^{-6} +z^6-7 z^4 a^{-2} -z^4 a^{-4} +2 z^4 a^{-6} +3 z^4-6 z^2 a^{-2} +4 z^2 a^{-4} +3 z^2- a^{-2} +2 a^{-4} - a^{-6} +1 }[/math]