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A137735
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a(0)=1. a(n) = floor(n/b(n)), where b(n) is the largest value among (a(0),a(1),...,a(n-1)).
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2
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1, 1, 2, 1, 2, 2, 3, 2, 2, 3, 3, 3, 4, 3, 3, 3, 4, 4, 4, 4, 5, 4, 4, 4, 4, 5, 5, 5, 5, 5, 6, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 7, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 8, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 9, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10
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OFFSET
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0,3
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COMMENTS
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LINKS
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FORMULA
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For all m>=1, a(k) = m if m^2 <= k <= m^2 +m-1, a(m^2 +m) = m+1, a(k) = m if m^2 +m+1 <= k <= m^2 +2m.
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EXAMPLE
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The largest value among terms a(0) through a(14) is 4. So a(15) = floor(15/4) = 3.
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MATHEMATICA
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a = {1}; Do[AppendTo[a, Floor[n/Max@ a]], {n, 2, 120}]; {1}~Join~a (* Michael De Vlieger, Apr 25 2016 *)
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CROSSREFS
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KEYWORD
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easy,nonn
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AUTHOR
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STATUS
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approved
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