Io2⁢m+1⁡(z,h)=(-1)s⁢∑ℓ=0∞(-1)ℓ⁢A2⁢ℓ+12⁢m+1⁡(h2)A2⁢s+12⁢m+1⁡(h2)⁢(Iℓ-s⁡(h⁢ⅇ-z)⁢Iℓ+s+1⁡(h⁢ⅇz)-Iℓ+s+1⁡(h⁢ⅇ-z)⁢Iℓ-s⁡(h⁢ⅇz)),