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Search: id:A140316
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| A140316 |
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Write n in base 3, delete 0's. |
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+0
1
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| 1, 2, 1, 11, 12, 2, 21, 22, 1, 11, 12, 11, 111, 112, 12, 121, 122, 2, 21, 22, 21, 211, 212, 22, 221, 222, 1, 11, 12, 11, 111, 112, 12, 121, 122, 11, 111, 112, 111, 1111, 1112, 112, 1121, 1122, 12, 121, 122, 121, 1211, 1212, 122, 1221, 1222, 2, 21, 22, 21, 211, 212, 22
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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This is to A038585 as A007088 is to A007089.
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EXAMPLE
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a(29) = 12 because 29 base 3 = A007089(29) = 1002, and upon deleting 0's, this becomes 12. Note the fixed points (input in decimal, output in zeroless base 3) begin 1, 2, 21, 111, ... with for example, 21 base 10 becoming 21 base 3 = A007089(21) = 210, and upon deleting 0's, this becomes 21 again; and 111 base 10 becoming A007089(111) = 11010, and upon deleting 0's, this becomes 111 again.
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CROSSREFS
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Cf. A007088, A007089, A038585.
Sequence in context: A052037 A079795 A038586 this_sequence A088587 A055459 A080958
Adjacent sequences: A140313 A140314 A140315 this_sequence A140317 A140318 A140319
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KEYWORD
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base,easy,nonn
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AUTHOR
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Jonathan Vos Post (jvospost3(AT)gmail.com), May 26 2008
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