see A001032 <https://oeis.org/A001032> Maximilian On Tue, Feb 2, 2016 at 8:08 PM, Ignacio Larrosa Cañestro < ilarrosa at mundo-r.com> wrote: > El 03/02/2016 a las 1:02, David Wilson escribió: > >> The sum of N consecutive square numbers is a square. >> What can N be? >> >> 1 and 24 at least, as is well known. >