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A001387 Decimal encoding of a binary "look and say" sequence (A005150). To get the 5th term, for example, note that 4th term has three (11 in binary!) 1's, one (1) 0 and two (10) 1's, giving 11 1 1 0 10 1. +0
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1, 11, 101, 111011, 11110101, 100110111011, 111001011011110101, 111100111010110100110111011, 100110011110111010110111001011011110101, 1110010110010011011110111010110111100111010110100110111011 (list; graph; listen)
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Last modified December 1 19:22 EST 2009. Contains 167811 sequences.


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