Data:K15a74271/HOMFLYPT Polynomial

[math]\displaystyle{ a^{10}-5 z^2 a^8-3 a^8+8 z^4 a^6+10 z^2 a^6+3 a^6-4 z^6 a^4-6 z^4 a^4-7 z^2 a^4-2 a^4-3 z^6 a^2+2 z^2 a^2+2 a^2-z^6+3 z^4+2 z^2+2 z^4 a^{-2} -z^2 a^{-4} }[/math]