Appeard in Contemporary Mathematics 143 (1993) (special volume in memory of Emil Grosswald, edited by Marvin Knopp and Mark Sheingorn), 609-612.
Nicolas Bourbaki was too busy developing structures that he overlooked that a certain exponent was off by one. Gert Almkvist noticed this and generalized it beautifully. His brilliant idea can be used to prove many other results.
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