Timeline for Different numbers in all cells of a 4x4 board
Current License: CC BY-SA 4.0
11 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Aug 28, 2020 at 23:50 | comment | added | RobPratt | @DmitryKamenetsky 128 for $n=6$ and 237 for $n=7$ | |
| Aug 28, 2020 at 23:12 | comment | added | Dmitry Kamenetsky | Wow 63. I only managed 67. | |
| Aug 28, 2020 at 18:43 | comment | added | RobPratt | @SeanC, the minimum for $n=5$ is 63, not 81. | |
| Aug 28, 2020 at 18:23 | comment | added | SeanC | looking at this and the previous puzzle, I am wondering if an n x n grid would take 3^(n-1) moves? | |
| Aug 28, 2020 at 14:32 | comment | added | nonuser | @DmitryKamenetsky How do you know? | |
| Aug 28, 2020 at 13:12 | comment | added | Dmitry Kamenetsky | Well done! That is optimal indeed. | |
| Aug 28, 2020 at 13:12 | vote | accept | Dmitry Kamenetsky | ||
| Aug 28, 2020 at 10:55 | history | edited | Lukas Rotter | CC BY-SA 4.0 |
added 118 characters in body
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| Aug 28, 2020 at 10:46 | history | edited | Lukas Rotter | CC BY-SA 4.0 |
added 64 characters in body
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| Aug 28, 2020 at 10:12 | history | edited | Lukas Rotter | CC BY-SA 4.0 |
edited body
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| Aug 28, 2020 at 9:45 | history | answered | Lukas Rotter | CC BY-SA 4.0 |