Timeline for Placing numbers $1,2,\ldots,n^3$ in a cube so that numbers of any two adjacent unit subcube are coprime
Current License: CC BY-SA 3.0
2 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Apr 7, 2014 at 8:08 | comment | added | nsrt | In the 3D case, $n=p$, the first two steps can be done similarly. One obtains a placement where one must still switch all numbers on one edge of the cube (instead of one corner in the 2D case). This should be possible for $p>3$, but I didn't see a "clean" way how to do it for all such primes $p$. | |
| Apr 3, 2014 at 12:38 | history | answered | nsrt | CC BY-SA 3.0 |