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centered octagonal number

centered octagonal number

subclass of centered polygonal number

en-GB/ˈsɛntəd ɒkˈtæɡənəl ˈnʌmbə/

en-US/ˈsɛntɚd ɑkˈtæɡənəl ˈnʌmbɚ/

分类：

centered polygonal number square number