Data:L11a25/HOMFLYPT Polynomial

Failed to parse (Conversion error. Server ("https://wikimedia.org/api/rest_") reported: "Cannot get mml. upstream connect error or disconnect/reset before headers. reset reason: connection termination"): {\displaystyle z^{7}a^{-3}-2z^{5}a^{-1}+3z^{5}a^{-3}-2z^{5}a^{-5}+az^{3}-6z^{3}a^{-1}+2z^{3}a^{-3}-5z^{3}a^{-5}+z^{3}a^{-7}+3az-5za^{-1}-2za^{-5}+2za^{-7}+2az^{-1}-2a^{-1}z^{-1}-a^{-3}z^{-1}+a^{-5}z^{-1}}