z 28 + 27 z 26 + 325 z 24 + 2300 z 22 + 10626 z 20 + 33649 z 18 + 74613 z 16 + 116280 z 14 + 125970 z 12 + 92378 z 10 + 43758 z 8 + 12376 z 6 + 1820 z 4 + 105 z 2 + 1 {\displaystyle z^{28}+27z^{26}+325z^{24}+2300z^{22}+10626z^{20}+33649z^{18}+74613z^{16}+116280z^{14}+125970z^{12}+92378z^{10}+43758z^{8}+12376z^{6}+1820z^{4}+105z^{2}+1}
