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Line up (Posted on 2005-05-06) Difficulty: 4 of 5
Imagine a 3 dimensional grid with N x N x N points.
Place as many points as possible on this grid, such that there are no 3 points in a line (for N = 2, this is of course 8).
How much is it for N = 3, 4 or 5?

See The Solution Submitted by Hugo    
Rating: 3.5000 (2 votes)

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Solution solution | Comment 10 of 16 |

When N=3 max=16

When N=4 max=24

When N=5 max=40

I have each one if needed.

I am pretty sure about 3 and 4, but not too certain about 5

Edited on May 19, 2005, 3:18 pm
  Posted by Justin on 2005-05-15 02:59:03

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