@article{JIS_2014__17_5_a5,
     author = {Shattuck, Mark},
     title = {Combinatorial proofs of some formulas for triangular tilings},
     journal = {Journal of integer sequences},
     publisher = {mathdoc},
     volume = {17},
     number = {5},
     year = {2014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JIS_2014__17_5_a5/}
}