ζ(12n,hk)=(ψ(2n)ln(2πk))B2n(h/k)2n(ψ(2n)ln(2π))B2n2nk2n+(1)n+1π(2πk)2nr=1k1sin(2πrhk)ψ(2n1)(rk)+(1)n+12(2n1)!(2πk)2nr=1k1cos(2πrhk)ζ(2n,rk)+ζ(12n)k2n,