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Search: id:A081242
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A081242 Left-to-right binary enumeration. +0
2
1, 2, 11, 21, 12, 22, 111, 211, 121, 221, 112, 212, 122, 222, 1111, 2111, 1211, 2211, 1121, 2121, 1221, 2221, 1112, 2112, 1212, 2212, 1122, 2122, 1222, 2222, 11111, 21111, 12111, 22111, 11211, 21211, 12211, 22211, 11121, 21121, 12121, 22121 (list; graph; listen)
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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.


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