Timeline for Four 3x3 semimagic squares in a 5x5 grid
Current License: CC BY-SA 4.0
10 events
| when toggle format | what | by | license | comment | |
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| Mar 11, 2023 at 18:08 | comment | added | AxiomaticSystem | I just finished some Python code to enumerate the examples. Up to the various symmetries (rotation, reflection, inversion through 13, and permuting the first and second or fourth and fifth rows and/or columns), this square and RobPratt's square are the only solutions. | |
| S Mar 11, 2023 at 0:56 | review | First answers | |||
| Mar 11, 2023 at 2:58 | |||||
| S Mar 11, 2023 at 0:56 | history | edited | user1502040 | CC BY-SA 4.0 |
clarify wording
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| Mar 11, 2023 at 0:32 | vote | accept | Dmitry Kamenetsky | ||
| Mar 11, 2023 at 0:32 | comment | added | Dmitry Kamenetsky | Yes you got it! I am very impressed at how fast you got that. Interestingly it is a variant of the same square that I found. I wonder if there are other examples? Also I would be keen to see your approach. | |
| Mar 11, 2023 at 0:25 | history | undeleted | user1502040 | ||
| Mar 11, 2023 at 0:25 | history | edited | user1502040 | CC BY-SA 4.0 |
Fixed spoiler
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| Mar 11, 2023 at 0:21 | history | deleted | user1502040 | via Vote | |
| S Mar 11, 2023 at 0:18 | review | First answers | |||
| Mar 11, 2023 at 0:21 | |||||
| S Mar 11, 2023 at 0:18 | history | answered | user1502040 | CC BY-SA 4.0 |