On the entropy of LEGO

• Authors: Bergfinnur Durhuus and Søren Eilers.
• Date: March 2005
• Status: Preprint, math.CO/0504039
• Pages: 13
• Abstract: We propose the further study of the rate of growth of the number of contiguous buildings which may be made from n LEGO blocks of the same size and color. Specializing to blocks of dimension 2x4 we give upper and lower bounds, and speculate on the true value.
• Remarks: A popular introduction to the problem and its history here
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