最終更新日:2024/07/17

Triangular numbers are a sequence of natural numbers that can be arranged to form an equilateral triangle.

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I numeri triangolari sono una sequenza di numeri naturali che possono essere disposti a formare un triangolo equilatero.

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元となった例文

Triangular numbers are a sequence of natural numbers that can be arranged to form an equilateral triangle.

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