Equation Icon  [n∑∕2][n′∑∕2](− 1)μ ¯Xn−2μXn′−2μ′ min(∑μ,μ′)(−1)σF¯μ−σFμ′−σ Sg = -(n−2μ)!(n′−2μ′)!-- ------a-------(2 σ)!(μ − σ )!(μ′ − σ)!, μ=0 μ′=0 σ=0 (168 ) [(n−∑ 1)∕2][(n′−∑1)∕2] μ ¯n−2μ−1 n′−2μ′−1min∑(μ,μ′) σ ¯μ−σ μ′−σ Su = (−1(n)−2Xμ−-1)!(n′X−2μ′−1)!- (2(σ−+11))F!(μ−σF)!(μ′−σ)!. μ=0 μ′=0 σ=0