In this paper, we consider a generalization of Horadam sequence {wn}\documentclass[12pt]{minimal}
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\begin{document}$\{ w_{n} \} $\end{document} which is defined by the recurrence relation wn=χ(n)wn−1+cwn−2\documentclass[12pt]{minimal}
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\begin{document}$w_{n}=\chi ( n ) w_{n-1}+cw_{n-2}$\end{document}, where χ(n)=a\documentclass[12pt]{minimal}
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\begin{document}$\chi ( n ) =a$\end{document} if n is even, χ(n)=b\documentclass[12pt]{minimal}
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\begin{document}$\chi ( n ) =b$\end{document} if n is odd with arbitrary initial conditions w0\documentclass[12pt]{minimal}
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\begin{document}$w_{0}$\end{document}, w1\documentclass[12pt]{minimal}
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\begin{document}$w_{1}$\end{document} and nonzero real numbers a, b and c. As a special case, by taking the initial conditions 0, 1 and 2, b we define the sequences {un}\documentclass[12pt]{minimal}
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\begin{document}$\{ u_{n} \} $\end{document} and {vn}\documentclass[12pt]{minimal}
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\begin{document}$\{ v_{n} \} $\end{document}, respectively. The main purpose of this study is to derive some basic properties of the sequences {un}\documentclass[12pt]{minimal}
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\begin{document}$\{ u _{n} \} $\end{document}, {vn}\documentclass[12pt]{minimal}
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\begin{document}$\{ v_{n} \} $\end{document} and {wn}\documentclass[12pt]{minimal}
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\begin{document}$\{ w_{n} \} $\end{document} by using a matrix approach.
