This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A064524 #31 Dec 28 2024 00:21:34
%S A064524 0,0,1,2,3,4,5,6,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,
%T A064524 24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,
%U A064524 47,48,49,50,51,52,53,54,55,56,57,58,59,60,60,61,62,63,64,65,66,67,68
%N A064524 Number of noncubes <= n.
%H A064524 Chai Wah Wu, <a href="/A064524/b064524.txt">Table of n, a(n) for n = 0..10000</a> (terms 0..1000 from Harry J. Smith)
%F A064524 a(n) = n - floor(CubicRoot(n)) = n-A048766(n).
%F A064524 G.f.: x/(1 - x)^2 - (1/(1 - x))*Sum_{k>=1} x^(k^3). - _Ilya Gutkovskiy_, Feb 16 2017
%o A064524 (PARI) a(n) = n - sqrtnint(n, 3); \\ _Michel Marcus_, Jun 18 2024
%o A064524 (Python)
%o A064524 from sympy import integer_nthroot
%o A064524 def A064524(n): return n-integer_nthroot(n,3)[0] # _Chai Wah Wu_, Jun 18 2024
%Y A064524 Cf. A007412, A048766.
%K A064524 nonn
%O A064524 0,4
%A A064524 _Reinhard Zumkeller_, Oct 07 2001