Data:L11a315/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 -z^3 a^{13}-3 z a^{13}-a^{13} z^{-1} +3 z^5 a^{11}+12 z^3 a^{11}+13 z a^{11}+3 a^{11} z^{-1} -2 z^7 a^9-10 z^5 a^9-16 z^3 a^9-10 z a^9-2 a^9 z^{-1} -z^7 a^7-5 z^5 a^7-8 z^3 a^7-4 z a^7}