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A057615
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ATS: Add Then Sort (i.e. double previous term and then sort digits).
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0
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1, 2, 4, 8, 16, 23, 46, 29, 58, 116, 223, 446, 289, 578, 1156, 1223, 2446, 2489, 4789, 5789, 11578, 12356, 12247, 24449, 48889, 77789, 155578, 111356, 122227, 244445, 48889, 77789, 155578, 111356, 122227, 244445, 48889, 77789, 155578, 111356
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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COMMENTS
| Starting from a(1)=1 sequence cycles starting from a(25)=48889, 77789, 155578, 111356, 122227, 244445, 48889, ... etc.
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EXAMPLE
| a(8)=29 since a(7)=46, 46+46=92 and 92 sorted is 29
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MATHEMATICA
| NestList[FromDigits[Sort[IntegerDigits[2#]]]&, 1, 40] (* From Harvey P. Dale, Oct 03 2011 *)
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CROSSREFS
| Cf. A033861 for STA, A004000 for RATS.
Sequence in context: A004620 A018618 A108566 * A018416 A028909 A108567
Adjacent sequences: A057612 A057613 A057614 * A057616 A057617 A057618
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KEYWORD
| base,easy,nonn
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AUTHOR
| Henry Bottomley (se16(AT)btinternet.com), Oct 09 2000
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