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A234322
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Percentage of 1's among the first n terms of the Kolakoski sequence A000002.
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3
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100, 50, 33, 50, 60, 50, 57, 50, 44, 50, 45, 42, 46, 50, 47, 50, 53, 50, 47, 50, 48, 50, 52, 50, 52, 50, 48, 50, 52, 50, 52, 53, 52, 53, 51, 50, 51, 50, 49, 50, 51, 50, 51, 50, 49, 50, 49, 50, 51, 50, 51, 52, 51, 50, 51, 50, 49, 50, 51, 50, 51, 50, 49, 50, 49, 48, 49, 50, 49, 50, 51, 50
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OFFSET
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1,1
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COMMENTS
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Percentage of 1's (rounded) among the first n terms of A000002.
See A000002 for additional comments, references, links, formulas, examples, programs, and crossrefs.
It is conjectured that a(n) = 50 for all n sufficiently large.
Among the first 1500000 terms of the sequence, a(n) = 51 appears last at a(295) and a(n) = 49 appears last at a(471). - Paolo Bonzini, Jul 06 2016
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LINKS
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J. Malkevitch, Periods, AMS Feature Column, Jan 2014.
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FORMULA
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a(n) = nearest integer to 100*A156077(n)/n.
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EXAMPLE
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There are five 1's among the first twelve terms of A000002 = 1, 2, 2, 1, 1, 2, 1, 2, 2, 1, 2, 2, ..., so a(12) = nearest integer to 100*5/12 = 41.666... rounded = 42.
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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