Arthur T. Benjamin, Michael D. Hirschhorn. A combinatorial solution to intertwined recurrences. Australasian J. Combinatorics, 37:101-116, 2007. [doi]
@article{BenjaminH07,
title = {A combinatorial solution to intertwined recurrences},
author = {Arthur T. Benjamin and Michael D. Hirschhorn},
year = {2007},
url = {http://ajc.maths.uq.edu.au/pdf/37/ajc_v37_p101.pdf},
researchr = {https://researchr.org/publication/BenjaminH07},
cites = {0},
citedby = {0},
journal = {Australasian J. Combinatorics},
volume = {37},
pages = {101-116},
}