Jr. Stocks[4] discussed lattice paths from (0, 0, 0) to (n, n, n) with diagonal steps under some restrictions. In this note, we give simpler formulas for the main results in [4], andextend them to a general case.
基金the Natural Science Foundation of Education Department of Jiangsu Province (02KJB52005).
文摘Jr. Stocks[4] discussed lattice paths from (0, 0, 0) to (n, n, n) with diagonal steps under some restrictions. In this note, we give simpler formulas for the main results in [4], andextend them to a general case.