Sergey Kitaev, Jeffrey Liese. Harmonic numbers, Catalan's triangle and mesh patterns. Discrete Mathematics, 313(14):1515-1531, 2013. [doi]
@article{KitaevL13,
title = {Harmonic numbers, Catalan's triangle and mesh patterns},
author = {Sergey Kitaev and Jeffrey Liese},
year = {2013},
doi = {10.1016/j.disc.2013.03.017},
url = {http://dx.doi.org/10.1016/j.disc.2013.03.017},
researchr = {https://researchr.org/publication/KitaevL13},
cites = {0},
citedby = {0},
journal = {Discrete Mathematics},
volume = {313},
number = {14},
pages = {1515-1531},
}