bn:03270717n
Noun Concept
Categories: Proof without words, Number theory, Mathematical identities, Elementary mathematics, Articles containing proofs
EN
squared triangular number  hyperpyramidal  N-th triangular number squared  Nicomachus's theorem  Nicomachus theorem
EN
In number theory, the sum of the first n cubes is the square of the nth triangular number. Wikipedia
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EN
In number theory, the sum of the first n cubes is the square of the nth triangular number. Wikipedia
The sum of the first n cubes, which equals the square of the nth triangular number Wikidata
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