2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/64550This paper gives a brief description of the author's database of integer sequences, now over 35 years old, together with a selection of a few of the most interesting sequences in the table. Many unsolved problems are mentioned.27 pages, 13 figuresCombinatoricsNumber Theory05-01, 11-01, 40-01text