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3 points colinear? No way! (Posted on 2005-05-19) Difficulty: 5 of 5
For any grid, x by x, figure out a formula for the greatest number of points that can be put on the inside of the grid such that no three points are colinear.

No Solution Yet Submitted by Corey    
Rating: 3.0000 (1 votes)

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re(4): So at least the first 32 are reachable... | Comment 13 of 14 |
(In reply to re(3): So at least the first 32 are reachable... by McWorter)

Oops!  Error in the statement of my problem.  But first I apologize to Corey for changing the subject.  I'll shut up after I correct the error.

T should be the set {au+bv | a and b are nonegative integers with a+b<n, u=(1,0), v=(.5,sqr(3)/2)}.


  Posted by McWorter on 2005-05-20 21:25:33
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