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The energy spectrum of primary cosmic rays at energies between at 2x10$^{13}$- 3x10$^{17}$ eV is presented according to data from the Tien Shan array on thebasis of the detection of the number of electrons in extensive air showers. Inthe energy range 5x10$^{15}$ - 3x10$^{17}$ eV, the spectrum was obtained bymeans of the HADRON array and was extended to the region of lower energies from2x10$^{13}$ eV on the basis of the results of an individual experiment. Thechanges in the slope of the spectrum in the energy range of 10$^{16}$ -3x10$^{17}$ eV and a feature of this spectrum at about 1017 eV are analyzed indetail and are described. The spectrum in question is compared with the resultsobtained at some other arrays.

Results of the further analysis of Tien-Shan array data on the energy spectrum of primary cosmic rays at 2x10$^{13}$ - 3x10$^{17}$ eV