How can you arrange 7 dots so that there are 6 lines of 3 colinear dots?
1 Answer
Jun 24, 2016
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Explanation:
Here's one solution:
Bonus
This is an example of a problem that is very difficult to solve in the general case. The maximum number lines of
0,0,1,1,2,4,6,7,10,12,16,19,22,26
The next number in the sequence is known to be