Integral presentations of Catalan numbers

• Autores: Thierry Dana-Picard
• Localización: International journal of mathematical education in science and technology, ISSN 0020-739X, Vol. 41, Nº. 1, 2010, págs. 63-69
• Idioma: inglés
• DOI: 10.1080/00207390902971973
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• Resumen

  • We compute in three different ways the same definite parametric integral. By-products are the derivation of a combinatorial identity and two integral presentations of Catalan numbers. One of them leads to a presentation using the ? function.