Vol. 23, Nos. 1-3, December 2010, p. 107-126.
Dominique Foata, Guo-Niu Han
THE DOUBLOON POLYNOMIAL TRIANGLE
The doubloon polynomials are generating functions for a
class of combinatorial objects called normalized doubloons by the
compressed major index. They provide a refinement of the
q-tangent numbers and also involve two major specializations:
the Poupard triangle and the Catalan triangle.
foata at math dot u-strasbg dot fr,
guoniu at math dot u-strasbg dot fr
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