497168domain: NAppears in sequencesThe Szeged index of the parallelogram-shaped benzenoid Q_k (see Fig. 5.7 of the Diudea et al. reference).at n=6A245832E.g.f. A(x) satisfies A'(x) = 1 - log(1-x) * A(2*x).at n=8A355230