2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/95819We use the Maple system to check the investigations of S. S. Gupta regarding the Smarandache consecutive and the reversed Smarandache sequences of triangular numbers [Smarandache Notions Journal, Vol. 14, 2004, pp. 366-368]. Furthermore, we extend previous investigations to the mirror and symmetric Smarandache sequences of triangular numbers.Submitted to the Smarandache Notions JournalHistory and Overview11B83; 11-04; 11A41text