z 30 + 29 z 28 + 377 z 26 + 2900 z 24 + 14675 z 22 + 51380 z 20 + 127470 z 18 + 225760 z 16 + 283951 z 14 + 249288 z 12 + 148070 z 10 + 56577 z 8 + 12825 z 6 + 1510 z 4 + 75 z 2 + 1 {\displaystyle z^{30}+29z^{28}+377z^{26}+2900z^{24}+14675z^{22}+51380z^{20}+127470z^{18}+225760z^{16}+283951z^{14}+249288z^{12}+148070z^{10}+56577z^{8}+12825z^{6}+1510z^{4}+75z^{2}+1}
