catalan number meaning in English
卡塔兰数
Examples
- The catalan numbers also count the number of ways in which an n-gon can be dissected into triangles by nonintersecting diagonals .
加泰隆数还数计有多少方式来将多边形用不相交的对角线划分成三角形。 - Ombinatorical background of classical catalan numbers
数的组合背景 - Catalan numbers : a geometric model
卡塔兰数的一个几何模型