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A231875
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Elements of the triassociative sub-operad Tri of TN generated by 01, 10 and 11.
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0
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2, 12, 21, 22, 112, 121, 122, 211, 212, 221, 222, 1112, 1121, 1122, 1211, 1212, 1221, 1222, 2111, 2112, 2121, 2122, 2211, 2212, 2221, 2222
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OFFSET
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1,1
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COMMENTS
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Since nonzero terms in the OEIS may not begin with 0, 1 has been added to all the digits.
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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