x^16-36*x^14+396*x^12-1944*x^10+4743*x^8-5832*x^6+3564*x^4-972*x^2+81
5751
x^16+32*x^14+364*x^12+1928*x^10+4960*x^8+5552*x^6+1720*x^4+176*x^2+4
552