2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/43411The core/halo model describes the Bose-Einstein correlations in multihadron production taking into account the effects of long-lived resonances. The model contains the combinatorial coefficients alpha_j which were originally calculated from a recurrence relation. We show that alpha_j is the integer nearest to j!/e.4 pages, Latex, no figures, to be published in Acta Phys. Pol. BHigh Energy Physics - Phenomenologytext