1. Pronic numberA pronic number, oblong number, rectangular number or heteromecic number, is a number which is the product of two consecutive integers, that is, n (n + 1). The n-th pronic number is twice the n-th triangular number and n more than the n-th square number.
Read “Pronic number” on English Wikipedia
Read “矩形数” on Japanese Wikipedia
Read “Pronic number” on DBpedia
Read “Pronic number” on English Wikipedia
Read “矩形数” on Japanese Wikipedia
Read “Pronic number” on DBpedia
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