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A077112 a(n) = n^2 times nearest integer cube to n^2. 1
0, 1, 4, 72, 128, 675, 972, 3136, 4096, 5184, 12500, 15125, 18000, 21125, 42336, 48600, 55296, 99127, 111132, 123823, 137200, 225792, 247808, 270848, 294912, 455625, 492804, 531441, 571536, 613089, 900000, 961000, 1024000, 1089000 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Harvey P. Dale, Table of n, a(n) for n = 0..1000

FORMULA

a(n) = A000290(n)*A077110(n).

MATHEMATICA

ntnc[n_]:=Module[{n2=n^2, a, b, a3, b3}, a=Floor[Power[n2, (3)^-1]]; b=a+1; a3=a^3; b3=b^3; If[n2-a3<b3-n2, n2 a3, n2 b3]]; Array[ntnc, 40, 0] (* Harvey P. Dale, Jan 06 2012 *)

CROSSREFS

Sequence in context: A128062 A227248 A113839 * A203537 A095385 A071683

Adjacent sequences:  A077109 A077110 A077111 * A077113 A077114 A077115

KEYWORD

nonn,nice

AUTHOR

Reinhard Zumkeller, Oct 29 2002

STATUS

approved

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Last modified July 22 10:03 EDT 2019. Contains 325219 sequences. (Running on oeis4.)