13/3 + nl*(2/9 - 2/(9*x) - x/9) - 20/(3*x) + (17*x)/6 + (4*x^2)/3 + 
 (-4 - 4/x - 4*x)*HPL[{0}, x] + (4 - 4/x - 2*x)*HPL[{1}, x]
