LIANA, Anetta SZYNAL2022-12-272022-12-272022https://doi.org/10.31801/cfsuasmas.890932http://hdl.handle.net/20.500.12575/86490The bihyperbolic numbers are extension of hyperbolic numbers to four dimensions. In this paper we introduce the concept of Pell and Pell-Lucas bihypernomials as a generalization of bihyperbolic Pell and Pell-Lucas numbers, respectively.enPell numbers, recurrence relations, hyperbolic numbers, bihyperbolic numbers, polynomialsArticle7124224331303-5991