Data:L11a437/HOMFLYPT Polynomial

$-a^{10}+3 a^8 z^2+2 a^8-2 a^6 z^4-2 a^6 z^2+a^6 z^{-2} -2 a^4 z^4-2 a^4 z^2-2 a^4 z^{-2} -3 a^4-a^2 z^4+a^2 z^{-2} +a^2+z^2+1$