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A048787
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Write n in base 3 then rotate left one place.
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0
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1, 2, 1, 4, 7, 2, 5, 8, 1, 4, 7, 10, 13, 16, 19, 22, 25, 2, 5, 8, 11, 14, 17, 20, 23, 26, 1, 4, 7, 10, 13, 16, 19, 22, 25, 28, 31, 34, 37, 40, 43, 46, 49, 52, 55, 58, 61, 64, 67, 70, 73, 76, 79, 2, 5, 8, 11, 14, 17, 20, 23, 26, 29, 32, 35, 38, 41, 44, 47, 50, 53, 56, 59, 62, 65, 68
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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COMMENTS
| A={a(n)} is self-similar in the sense that the subsequence remaining after deleting the first occurrence of each integer is identical to the original sequence A (Kimberling's "upper-trimming" operation).
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EXAMPLE
| a(33)=19 since 33 = 1020(base 3) -> 0201(base 3) = 19.
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MATHEMATICA
| Table[ FromDigits[ RotateLeft[ IntegerDigits[n, 3]], 3], {n, 1, 76}] - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Mar 25 2007
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CROSSREFS
| Sequence in context: A193591 A059579 A091320 * A030102 A072010 A123360
Adjacent sequences: A048784 A048785 A048786 * A048788 A048789 A048790
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KEYWORD
| nonn
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AUTHOR
| John W. Layman and Anthony C. Hill (layman(AT)math.vt.edu, hilla(AT)hotmail.com )
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