\begin{thebibliography}{1}

\bibitem{Bondarenko_1993}
B.~A. Bondarenko, Generalized {Pascal} triangles and pyramids their fractals
  graphs and applications, {\em Fibonacci Quart.} {\bf 31} (1993), 162--164.

\bibitem{Hilton_1987}
P.~Hilton and J.~Pedersen, Looking into {Pascal}'s triangle: Combinatorics,
  arithmetic, and geometry, {\em Math. Mag.} {\bf 60} (1987), 305--316.

\bibitem{Jones_1996}
C.~H. Jones, Generalized hockey stick identities and $n$-dimensional
  blockwalking, {\em Fibonacci Quart.} {\bf 34} (1996), 280--288.

\bibitem{MehriARXIV}
S.~Mehri, The hockey stick theorems in {Pascal} and trinomial triangles, arXiv
  preprint arXiv:1404.5106 [math.HO], 2016.
\newblock Available at \url{https://arxiv.org/abs/1404.5106}.

\bibitem{Merris_2003}
R.~Merris, {\em Combinatorics}, Wiley, August 2003.

\bibitem{OEIS}
{OEIS Foundation Inc.}, The {O}n-{L}ine {E}ncyclopedia of {I}nteger
  {S}equences, 2025.
\newblock Published electronically at \url{https://oeis.org}.

\bibitem{Stanley}
R.~P. Stanley, {\em Enumerative Combinatorics: Volume 1}, Cambridge University
  Press, USA, 2nd edition, 2011.

\end{thebibliography}
