Data:8 19/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^{-5} + q^{-7} + q^{-9} + q^{-11} - q^{-15} - q^{-17} }