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A123798
Number of ways to build a contiguous building with n LEGO blocks of size 1x6 on top of a fixed block of the same size.
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47, 2944, 256193, 24607451, 2555265136, 278052511951
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.
AT&T Labs Research
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