Data:K15a74567/HOMFLYPT Polynomial
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[math]\displaystyle{ a^2 z^8+z^8 a^{-2} +2 z^8-2 a^4 z^6+z^6 a^{-2} -z^6 a^{-4} +5 z^6+a^6 z^4-3 a^4 z^4-3 a^2 z^4-2 z^4 a^{-2} -z^4 a^{-4} +7 z^4+a^6 z^2-2 a^4 z^2-4 a^2 z^2-5 z^2 a^{-2} +z^2 a^{-4} +6 z^2+a^6-a^4-a^2-2 a^{-2} + a^{-4} +3 }[/math]