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Search: id:A087162
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| 1, 2, 3, 3, 3, 3, 4, 3, 3, 3, 4, 3, 3, 3, 4, 3, 3, 3, 4, 3, 3, 3, 5, 3, 3, 3, 3, 4, 3, 3, 3, 4, 3, 3, 3, 4, 3, 3, 3, 5, 3, 3, 3, 3, 4, 3, 3, 3, 4, 3, 3, 3, 4, 3, 3, 3, 5, 3, 3, 3, 3, 4, 3, 3, 3, 4, 3, 3, 3, 4, 3, 3, 3, 5, 3, 3, 3, 3, 4, 3, 3, 3, 4, 3, 3, 3, 4, 3, 3, 3, 6, 3, 3, 3, 3, 3, 4, 3, 3, 3, 4, 3, 3, 3, 4
(list; graph; listen)
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OFFSET
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1,2
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FORMULA
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Records occur at A087164: a(A087164(n))=n.
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EXAMPLE
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Initialize all terms to 3. Set a(1)=1, go one term forward,
set a(2)=a(1)+1=2, go 2 terms forward,
set a(4)=a(2)+1=3, go 3 terms forward,
set a(7)=a(3)+1=4, go 4 terms forward,
set a(11)=a(4)+1=4, go 4 terms forward,
set a(15)=a(5)+1=4, etc.
The indices 1,2,4,7,11,15,... form A087163.
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CROSSREFS
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Cf. A087163, A087164.
Sequence in context: A103959 A035375 A093493 this_sequence A046925 A090529 A130822
Adjacent sequences: A087159 A087160 A087161 this_sequence A087163 A087164 A087165
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KEYWORD
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nonn
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AUTHOR
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Paul D. Hanna (pauldhanna(AT)juno.com), Aug 22 2003
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