@article{JIS_2016__19_4_a2,
     author = {Fac\'o, Vin{\'\i}cius and Marques, Diego},
     title = {Tribonacci numbers and the {Brocard-Ramanujan} equation},
     journal = {Journal of integer sequences},
     publisher = {mathdoc},
     volume = {19},
     number = {4},
     year = {2016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JIS_2016__19_4_a2/}
}