z 24 + 23 z 22 + 230 z 20 + 1311 z 18 + 4692 z 16 + 10949 z 14 + 16757 z 12 + 16511 z 10 + 10032 z 8 + 3498 z 6 + 628 z 4 + 48 z 2 + 1 {\displaystyle z^{24}+23z^{22}+230z^{20}+1311z^{18}+4692z^{16}+10949z^{14}+16757z^{12}+16511z^{10}+10032z^{8}+3498z^{6}+628z^{4}+48z^{2}+1}