Delannoy number

短语

词形变化

Delannoy numbers 复数 Delannoy numbers

释义与例句

n.
  1. 1.

    The number of possible paths from the southwest corner (0, 0) of a rectangular grid to the northeast corner (m, n), using only single steps north, northeast, or east.

    数学

词源

Named after French army officer and amateur mathematician Henri Delannoy.

来源：wiktionary