Poly-Euler number

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In mathematics, poly-Euler numbers, denoted as E_{n}^{(k)}, and their generalizations were defined by Yoshitaka Sasaki, Abdelmejid Bayad and Hassan Jolany as

{2\operatorname{Li}_k(1-e^{-x}) \over 1+e^{-x}}=\sum_{n=0}^\infty E_n^{(k)}{x^n\over n!}

where Li is the polylogarithm. The E_n^{(1)} are the usual Euler numbers.

The generalization of Poly-Euler numbers with a,b,c parameters defined by Hassan Jolany as

{2\operatorname{Li}_k(1-(ab)^{-x})\over a^{-x}+b^x}c^{xt}=\sum_{n=0}^\infty E_n^{(k)}(t;a,b,c){x^n \over n!}

where Li is the polylogarithm.

Poly-Euler numbers have the same duality which known as Poly-Bernoulli numbers


  • Hassan Jolany, Mohsen Aliabadi, Roberto B. Corcino, and M.R.Darafsheh, A Note On Multi Poly-Euler Numbers And Bernoulli Polynomials, [1],2012
  • Hassan Jolany and Roberto B. Corcino, More Properties on Multi Poly-Euler Polynomials, [2]
  • Hassan Jolany, Explicit formula for generalization of Poly-Bernoulli numbers and polynomials with a,b,c parameters, [3]