2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/64086We give a formula for the coefficients of the Yablonskii-Vorob'ev polynomial. Also the reduction modulo a prime number of the polynomial is studied.11 pages, no figuresQuantum AlgebraCombinatorics34M55 (Primary) 33E17 (Secondary)text