Timeline for How many solutions are there to $\sum_{i=1}^3 x_i^2+x_iy_i+y_i^2=k$?
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 24, 2012 at 20:35 | vote | accept | emiliocba | ||
| Jan 24, 2012 at 20:35 | comment | added | emiliocba | Your formula works for $k\leq 10^4$. This is a great answer! Thank you for your time. | |
| Jan 24, 2012 at 16:29 | history | edited | Noam D. Elkies | CC BY-SA 3.0 |
Change $\chi_3$ to $\chi$ for consistency
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| Jan 24, 2012 at 16:16 | history | answered | Noam D. Elkies | CC BY-SA 3.0 |