Data:10 54/HOMFLYPT Polynomial

$z^6 a^{-2} +z^6-a^2 z^4+4 z^4 a^{-2} -z^4 a^{-4} +4 z^4-3 a^2 z^2+5 z^2 a^{-2} -3 z^2 a^{-4} +5 z^2-2 a^2+2 a^{-2} -2 a^{-4} +3$