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 3 in a row = bad (Posted on 2006-04-26)
For n=3,4,5,6,7,8 find:

a) The minimum number of counters that need be placed on a nxn chessboard such that no additional counters can be placed without creating any straight line of 3;

b) The maximum number of counters that can be placed on a nxn chessboard such that no three lie in a straight line.

Remember that positions like A1, B3, and C5 are in a straight line.
(Try to continue the sequences if you can)

 See The Solution Submitted by Jer Rating: 4.5000 (2 votes)

Comments: ( You must be logged in to post comments.)
 Subject Author Date re: so far... Dej Mar 2006-04-28 04:23:40 so far... Josh 2006-04-28 01:47:11 Adjusted (Possible) Minimums and Maximums Dej Mar 2006-04-27 21:41:39 re(2): Minimum and Maximum Dej Mar 2006-04-27 18:16:31 re(2): Minimum and Maximum tomarken 2006-04-27 14:13:28 re: Minimum and Maximum Jer 2006-04-27 13:23:57 Minimum and Maximum Dej Mar 2006-04-27 05:43:04 re(2): Possible minimum? Dej Mar 2006-04-26 18:30:38 re: Possible minimum? Dej Mar 2006-04-26 18:07:54 re: Possible minimum? tomarken 2006-04-26 16:43:35 Possible minimum? tomarken 2006-04-26 14:41:35 n=3 Rollercoaster 2006-04-26 14:34:14 initial reaction Rollercoaster 2006-04-26 14:19:45

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