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Using the calculated parameters, the flux of 200 - 100,000 MeV is 4.5089734652162435*10^5089734652162435e-10.
According to the 1FGL catalog[L71--L78, 2010 July 1|http://iopscience.iop.org/2041-8205/717/1/L71/pdf/apjl_717_1_71.pdf] paper, the (95% confidence upper limit) flux of 200 - 100,000 MeV is 2.13e-08?9 photon cm?2 s?1.