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Search: id:A114055
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| A114055 |
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Self-describing sequence : runs of equal parity digits alternate ("0" is considered as an even digit); the length of each run is given by the sequence itself. |
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+0
1
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| 1, 2, 4, 5, 7, 9, 10, 20, 22, 31, 33, 35, 36, 40, 42, 44, 46, 51, 53, 55, 57, 59, 60, 62, 64, 66, 68, 80, 82, 84, 86, 88, 91, 93, 95, 97, 99, 111, 113, 117, 200, 202, 204, 206, 208, 220, 222, 224, 226, 228, 231, 311, 313, 315, 317, 319, 331, 333, 335, 337, 339, 340
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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A variant of A093848.
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EXAMPLE
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(1),(2,4),(5,7,9,1)(0,20,22),(31,33,35,3)(6,40,42,44,46),(51,53,55,57,59),(60,62,64,66,68,80,82,84,86,88)... Those runs of equal parity digits are of length 1,2,4,5,7,9,10,20... which is the sequence itself.
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CROSSREFS
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Sequence in context: A001614 A050731 A098794 this_sequence A083026 A047379 A093848
Adjacent sequences: A114052 A114053 A114054 this_sequence A114056 A114057 A114058
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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), Feb 02 2006
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