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Search: id:A121845
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| A121845 |
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A self-describing sequence: the length of each run of consecutive integers is given by the sequence itself. Always start a new run with the smallest unused integer so far. |
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+0
1
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| 1, 3, 4, 5, 2, 3, 4, 5, 7, 8, 9, 10, 11, 6, 7, 12, 13, 14, 16, 17, 18, 19, 15, 16, 17, 18, 19, 21, 22, 23, 24, 25, 26, 27, 20, 21, 22, 23, 24, 25, 26, 27, 29, 30, 31, 32, 33, 34, 35, 36, 37, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 38
(list; graph; listen)
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OFFSET
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1,2
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EXAMPLE
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...
Seq......1--3,4,5--2,3,4,5--7,8,9,10,11--6,7--
Run size:1....3.......4.........5.........2... (the sequence itself)
(the 3rd run starts with "2" which is the smallest unused integer so far. The 5th run starts with "6" for the same reason)
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CROSSREFS
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Sequence in context: A144786 A009389 A091828 this_sequence A099816 A099120 A016553
Adjacent sequences: A121842 A121843 A121844 this_sequence A121846 A121847 A121848
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KEYWORD
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base,easy,nonn
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AUTHOR
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Eric Angelini (eric.angelini(AT)kntv.be), Aug 29 2006
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