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Search: id:A104807
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| A104807 |
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Length of sections with distinct digits in decimal expansion of Pi. |
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+0
17
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| 3, 5, 2, 4, 3, 5, 3, 2, 6, 2, 5, 4, 1, 6, 7, 2, 10, 5, 5, 4, 4, 5, 2, 4, 6, 2, 6, 5, 7, 1, 5, 2, 3, 4, 3, 7, 2, 2, 1, 7, 5, 7, 1, 3, 1, 4, 3, 4, 3, 3, 6, 3, 7, 4, 2, 5, 4, 4, 4, 7, 4, 3, 5, 4, 5, 5, 5, 4, 6, 2, 5, 6, 5, 5, 2, 2, 2, 4, 2, 4, 1, 6, 4, 2, 2, 7, 5, 7, 4, 1, 2, 2, 3, 5, 5, 7, 5, 3, 2, 1, 6, 5, 5, 3, 3
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Start with decimal expansion of pi: 3,1,4,1,5,9,2,6,5,3,5,8,9,7,9,3,2,3,8,4,6,2,6,4,3... Part the sequence to the sections with distinct digits: s={3,1,4},{1,5,9,2,6},{5,3},{5,8,9,7},{9,3,2},{3,8,4,6,2},{6,4,3},... Then A104807(n) = length[s(n)]: 3,5,2,4,3,5,3,... Sections with maximal length=10 A104808
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CROSSREFS
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Cf. A104808.
Sequence in context: A076562 A156060 A113475 this_sequence A131793 A065186 A081964
Adjacent sequences: A104804 A104805 A104806 this_sequence A104808 A104809 A104810
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KEYWORD
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nonn,base
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AUTHOR
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Zak Seidov (zakseidov(AT)yahoo.com), Mar 26 2005
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