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Omni-MATH / What is the smallest integer n , greater than one, for which the root-mean-square of the first n positive integers is an integer? mathbf{Note.} The root-mean-square of n numbers …
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What is the smallest integer , greater than one, for which the root-mean-square of the first positive integers is an integer?
$\mathbf{Note.}$ The root-mean-square of numbers is defined to be Plain-text mathematical notation (without MathML)
What is the smallest integer n , greater than one, for which the root-mean-square of the first n positive integers is an integer?
$\mathbf{Note.}$ The root-mean-square of n numbers a₁,a₂,⋯,a_(n) is defined to be [(a₁²+a₂²+⋯+a_(n)²)/(n)]^(1/2)Original LaTeX notation
What is the smallest integer $n$ , greater than one, for which the root-mean-square of the first $n$ positive integers is an integer?
$\mathbf{Note.}$ The root-mean-square of $n$ numbers $a_1, a_2, \cdots, a_n$ is defined to be \[\left[\frac{a_1^2 + a_2^2 + \cdots + a_n^2}n\right]^{1/2}\]Discussion
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