Data:10 56/QuantumInvariant/A1/1

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 q- q^{-1} +3 q^{-3} -2 q^{-5} +3 q^{-7} - q^{-9} - q^{-11} + q^{-13} -3 q^{-15} +3 q^{-17} -2 q^{-19} + q^{-21} }