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A339824
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Even bisection of the infinite Fibonacci word A003849.
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5
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0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0
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OFFSET
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0
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LINKS
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FORMULA
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a(n) = 2 - [(2n+2)r] + [(2n+1)r], where [ ] = floor and r = golden ratio (A001622).
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EXAMPLE
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A003849 = (0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, ...), so that
A339824 = (0, 0, 1, 1, 0, 0, 1, ...), the even bisection, and
A339825 = (1, 0, 0, 0, 1, 0, 0, ...), the odd bisection.
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MATHEMATICA
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r = (1 + Sqrt[5])/2; z = 300;
f[n_] := 2 - Floor[(n + 2) r] + Floor[(n + 1) r]; (* A003849 *)
Table[2 - Floor[(2 n + 2) r] + Floor[(2 n + 1) r], {n, 0, Floor[z/2]}](* A339824 *)
Table[2 - Floor[(2 n + 3) r] + Floor[(2 n + 2) r], {n, 0, Floor[z/2]}](* A339825 *)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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