Data:K11a45/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 -3 z^4 a^{-2} -2 z^4 a^{-4} -z^4+a^2 z^2-5 z^2 a^{-2} -z^2 a^{-4} +3 z^2 a^{-6} +a^2-3 a^{-2} + a^{-4} +2 a^{-6} - a^{-8} +1}