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 A077110 Nearest integer cube to n^2. 7
 0, 1, 1, 8, 8, 27, 27, 64, 64, 64, 125, 125, 125, 125, 216, 216, 216, 343, 343, 343, 343, 512, 512, 512, 512, 729, 729, 729, 729, 729, 1000, 1000, 1000, 1000, 1000, 1331, 1331, 1331, 1331, 1331, 1728, 1728, 1728, 1728, 1728, 2197, 2197, 2197 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,4 LINKS FORMULA a(n) = if A075847(n) < A077109(n) then A077106(n) else A077107(n). EXAMPLE a(10)=125, as 125=5^3 is the nearest cube to 100=10^2. MATHEMATICA nic[n_]:=Module[{n2=n^2, s3, c1, c2}, s3=Surd[n2, 3]; c1=Floor[s3]^3; c2= Ceiling[ s3]^3; If[n2-c1

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Last modified June 20 06:56 EDT 2021. Contains 345157 sequences. (Running on oeis4.)