多角数定理
1. Fermat polygonal number theoremIn additive number theory, the Fermat polygonal number theorem states that every positive integer is a sum of at most n n-gonal numbers. That is, every positive number can be written as the sum of three or fewer triangular numbers, and as the sum of four or fewer square numbers, and as the sum of five or fewer pentagonal numbers, and so on.
Read “Fermat polygonal number theorem” on English Wikipedia
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Read “Fermat polygonal number theorem” on English Wikipedia
Read “多角数定理” on Japanese Wikipedia
Read “Fermat polygonal number theorem” on DBpedia
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