Data:L11a140/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 a^7+3 z^3 a^5+3 z a^5-3 z^5 a^3-6 z^3 a^3-3 z a^3+a^3 z^{-1} +z^7 a+3 z^5 a+4 z^3 a-a z^{-1} -z^5 a^{-1} -z^3 a^{-1} }