平方三角数
1. Square triangular numberIn mathematics, a square triangular number (or triangular square number) is a number which is both a triangular number and a perfect square. There are an infinite number of square triangular numbers; the first few are 0, 1, 36, 1225, 41616, 1413721, 48024900, 1631432881, 55420693056, 1882672131025.
Read “Square triangular number” on English Wikipedia
Read “平方三角数” on Japanese Wikipedia
Read “Square triangular number” on DBpedia
Read “Square triangular number” on English Wikipedia
Read “平方三角数” on Japanese Wikipedia
Read “Square triangular number” on DBpedia
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