@article{JIS_2005__8_1_a5, author = {Woan, Wen-jin}, title = {A recursive relation for weighted {Motzkin} sequences}, journal = {Journal of integer sequences}, publisher = {mathdoc}, volume = {8}, number = {1}, year = {2005}, language = {en}, url = {http://geodesic.mathdoc.fr/item/JIS_2005__8_1_a5/} }