∫0∞ⅇ-x2⁢He2⁢n⁡(2⁢x)⁢cos⁡(x⁢y)⁢ⅆ⁡x=(-1)n⁢12⁢π⁢ⅇ-14⁢y2⁢He2⁢n⁡(y).