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Definition of Pyramidal number
1. Noun. (mathematics) A number that represents the number of items in a pyramid having a given number of sides and layers ¹
¹ Source: wiktionary.com
Lexicographical Neighbors of Pyramidal Number
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1. Noun. (mathematics) A number that represents the number of items in a pyramid having a given number of sides and layers ¹
¹ Source: wiktionary.com