Geodesic
On a generalization of the narayana triangle
Journal of integer sequences, Tome 14 (2011) no. 4.

Voir la notice de l'article provenant de la source Electronic Library of Mathematics

Summary: By studying various ways of describing the Narayana triangle, we provide a number of generalizations of this triangle and study some of their properties. In some cases, the diagonal sums of these triangles provide examples of Somos-4 sequences via their Hankel transforms.
Classification : 11B83, 05A10, 05A15, 11B37, 11Y55, 15A15, 15A30, 30B70
Keywords: narayana triangle, continued fraction, riordan array, Hankel determinant, Hankel transform, somos-4 
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     author = {Barry, Paul},
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Barry, Paul. On a generalization of the narayana triangle. Journal of integer sequences, Tome 14 (2011) no. 4. http://geodesic.mathdoc.fr/item/JIS_2011__14_4_a6/