A recursive scheme for determination of the sum-of-divisors function is presented. As all of the formulas involve triangular numbers, the scheme is therefore compared for efficiency with another known ...
https://doi.org/10.4169/amer.math.monthly.119.05.373 • https://www.jstor.org/stable/10.4169/amer.math.monthly.119.05.373 Copy URL Abstract We consider positive ...
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