W12⁢α+12+n,12⁢α⁡(z)=(-1)n⁢(α+1)n⁢M12⁢α+12+n,12⁢α⁡(z)=(-1)n⁢n!⁢ⅇ-12⁢z⁢z12⁢α+12⁢Ln(α)⁡(z).