750409713900domain: NAppears in sequencesArray of coefficients of 1/det(M_n)*P(M_n) where P(M_n) is the characteristic polynomial of the n-th n X n Hilbert matrix M_n(i,j)=1/(i+j-1).at n=22A076823Triangular function from the characteristic polynomials of the inverse Hilbert matrices.at n=25A135451