Timeline for Is there a similar formula like Ramanunjan's Eisenstein series identity for $\sum_{k=1}^{n-1}k^2 \sigma(k)\sigma(n-k)$?
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| when toggle format | what | by | license | comment | |
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| Sep 28, 2020 at 11:35 | comment | added | mathoverflowUser | thanks @HenriCohen for your insight in this question. | |
| Sep 28, 2020 at 11:31 | history | answered | Henri Cohen | CC BY-SA 4.0 |