首页
centered pentagonal number

centered pentagonal number

subclass of centered polygonal number

en-US/ˈsɛntɚd pɛnˈtæɡənəl ˈnʌmbɚ/

en-GB/ˈsɛntəd pɛnˈtæɡənl ˈnʌmbə/

分类：

figurate number centered polygonal number