Dodecagonal number
- 十二边形数(十二边形数是一种有形数,代表十二边形,公式为5n²-4n,前45个数可计算。奇偶交替,末位数规律循环。根据费马多边形数定理,所有整数可表示为至多12个十二边形数之和)
Dodecagonal number
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abstract:
A dodecagonal number is a figurate number that represents a dodecagon. The dodecagonal number for n is given by the formula 5n2 - 4n, with n > 0.
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WordNet