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Harvey P. Dale, <a href="/A296239/b296239.txt">Table of n, a(n) for n = 0..1000</a>
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With[{nn=80, fibs=Fibonacci[Range[0, 20]]}, Table[Abs[n-Nearest[fibs, n]][[1]], {n, 0, nn}]] (* Harvey P. Dale, Jul 02 2022 *)
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a(n) = abs(n - Fibonacci(floor(log(sqrt(20)*n)/log((1 + sqrt(5))/2)-1))). - Jon E. Schoenfield, Dec 14 2017
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Distance a(n) = distance from n to nearest Fibonacci number.
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