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Search: id:A137305
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| A137305 |
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Write n in base 3, complement, reverse. |
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+0
1
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| 0, 2, 1, 2, 8, 5, 1, 7, 4, 2, 20, 11, 8, 26, 17, 5, 23, 14, 1, 19, 10, 7, 22, 16, 4, 22, 13, 2, 56, 29, 20, 74, 47, 11, 65, 38, 8, 62, 35, 26, 80, 53, 17, 71, 44, 5, 59, 32, 23, 77, 50, 14, 68, 41, 1, 55, 28, 19, 73, 46, 10
(list; graph; listen)
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OFFSET
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0,2
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COMMENT
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This is to A036044 as A007089 is to A007088. Fixed points begin: 5, 7, 11, 19, 22, 29, 44, 50, 55.
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FORMULA
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a(3^n) = 2. a(2*3^n) = 1.
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EXAMPLE
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53 -> 1222 -> 2111 -> 1112 -> 41.
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CROSSREFS
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Cf. A007089, A036044.
Adjacent sequences: A137302 A137303 A137304 this_sequence A137306 A137307 A137308
Sequence in context: A114303 A030651 A140894 this_sequence A143208 A119419 A109529
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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), Apr 20 2008
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