centered pentagonal number

subclass of centered polygonal number

en-GB/ˈsɛntəd pɛnˈtæɡənl ˈnʌmbə/
en-US/ˈsɛntɚd pɛnˈtæɡənəl ˈnʌmbɚ/

カテゴリ：

figurate numbercentered polygonal number