(Hn⁡(x))2+2n⁢(n!)2⁢ⅇx2⁢(V⁡(-n-12,212⁢x))2=2n+32⁢n!⁢ⅇx2π⁢∫0∞ⅇ-(2⁢n+1)⁢t+x2⁢tanh⁡t(sinh⁡2⁢t)12⁢ⅆ⁡t.