Timeline for Four 3x3 semimagic squares in a 5x5 grid
Current License: CC BY-SA 4.0
2 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Mar 11, 2023 at 19:23 | comment | added | AxiomaticSystem | Fun fact: exchanging the first two rows adds a magic antidiagonal in the top left, and it's the only way to make a magic diagonal. | |
| Mar 11, 2023 at 3:45 | history | answered | RobPratt | CC BY-SA 4.0 |