36RH5\mathrm {\frac{36 R_{H}}{5}}536RH
163RH\frac{16}{3 \mathrm{R}_{\mathrm{H}}}3RH16
3RH16\mathrm {\frac{3 R_{H}}{16}}163RH
536RH\frac{5}{36 \mathrm{R}_{\mathrm{H}}}36RH5