Abstract
Let be the number of representations of a positive integer as a sum of squares, where representations with different orders and different signs are counted as distinct. We prove a combinatorial identity relating this quantity to the sum of inverses of odd divisors of :
Citation
Sumit Kumar Jha. "An identity for the sum of inverses of odd divisors of in terms of the number of representations of as a sum of squares." Rocky Mountain J. Math. 51 (2) 581 - 583, April 2021. https://doi.org/10.1216/rmj.2021.51.581
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