Timeline for How many solutions are there to $n_1^2-n_2^2-n_3^2+n_4^2=k$?
Current License: CC BY-SA 4.0
2 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Aug 19, 2023 at 14:53 | vote | accept | user479223 | ||
| Aug 18, 2023 at 23:07 | history | answered | GH from MO | CC BY-SA 4.0 |