Data:L11a368/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^5 a^7+4 z^3 a^7+4 z a^7+a^7 z^{-1} -z^7 a^5-5 z^5 a^5-9 z^3 a^5-7 z a^5-a^5 z^{-1} -z^7 a^3-4 z^5 a^3-4 z^3 a^3-z a^3+z^5 a+3 z^3 a+z a}