Data:L11a531/HOMFLYPT Polynomial

Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle -a^{15} z^{-3} +5 a^{13} z^{-3} +5 a^{13} z^{-1} -9 a^{11} z^{-3} -10 a^{11} z-19 a^{11} z^{-1} +10 a^9 z^3+7 a^9 z^{-3} +26 a^9 z+23 a^9 z^{-1} -4 a^7 z^5-13 a^7 z^3-2 a^7 z^{-3} -16 a^7 z-9 a^7 z^{-1} -a^5 z^5-a^5 z^3}