{5, x}
{7, x*(2040 + x^2)}
{9, x*(40430880 + 17184*x^2 + x^4)}
{11, x*(4381776000 + 132480*x^2 + x^4)}
{13, x*(429665499302054400 + 1858882957920*x^2 + 2434704*x^4 + x^6)}
{15, x*(3197232909629570972160000 + 678298556041314969600*x^2 +
307339393288320*x^4 + 32897856*x^6 + x^8)}
{17, x*(4459777119693624095941077504000 + 407914538508420139929600*x^2 +
13542540815792160*x^4 + 193153824*x^6 + x^8)}
{19, x*(463598587189134022224773827601838489600000 + 33914967955417991795516068276224000*x^2 + 470805560399816932850265600*x^4 + 1981194676580514240*x^6 + 2541979176*x^8 + x^10)}