Equation Icon  ( ) S = s6 + s4 + s2 + s ln 𝜖 + s l1- , (262 ) d=8 𝜖6 𝜖4 𝜖2 0 l l6 1 l4(− 209l2 + 160l2) s6 = --1--, s4 = -------1------1--------- , 2160 75600 l6 ---1---l21(8753l41 −-13376l2l21 +-4875l4) s2 = 352800 l6 , 1 (1102263l6 − 2520864l2l4+ 1833975l4l2 − 413120l6 ) s0 = --------- ---------1-------------1-------------1------------. (263 ) 11113200 l6