Data:K11a148/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^4 a^{-2} -3 z^4 a^{-4} -3 z^4 a^{-6} +2 z^2 a^{-2} -2 z^2 a^{-4} -4 z^2 a^{-6} +4 z^2 a^{-8} +z^2+2 a^{-2} -3 a^{-6} +3 a^{-8} - a^{-10} }