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arXiv:math/0109108 [math.NT]AbstractReferencesReviewsResources

Tangent and Bernoulli numbers related to Motzkin and Catalan numbers by means of numerical triangles

Jose Luis Arregui

Published 2001-09-17Version 1

It is shown that Bernoulli numbers and tangent numbers (the derivatives of the tangent function at zero) can be obtained by means of easily defined triangles of numbers in several ways, some of them very similar to the Catalan triangle and a Motzkin-like triangle. Our starting point in order to show this is a new expression of Zeta(2n) involving Motzkin paths.

Categories: math.NT, math.CO
Subjects: 11B68, 11B75
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