centered octagonal number

subclass of centered polygonal number

en-GB/ˈsɛntəd ɒkˈtæɡənəl ˈnʌmbə/
en-US/ˈsɛntɚd ɑkˈtæɡənəl ˈnʌmbɚ/

الفئات:

centered polygonal numbersquare number