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A048763 Smallest cube >= n. 5

%I

%S 0,1,8,8,8,8,8,8,8,27,27,27,27,27,27,27,27,27,27,27,27,27,27,27,27,27,

%T 27,27,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,

%U 64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,125,125,125,125,125,125

%N Smallest cube >= n.

%D K. Atanassov, On the 40th and 41st Smarandache Problems, Notes on Number Theory and Discrete Mathematics, Sophia, Bulgaria, Vol. 4 (1998), No. 3, 101-104.

%D J. Castillo, Other Smarandache Type Functions: Inferior/Superior Smarandache f-part of x, Smarandache Notions Journal, Vol. 10, No. 1-2-3, 1999, 202-204.

%H Reinhard Zumkeller, <a href="/A048763/b048763.txt">Table of n, a(n) for n = 0..10000</a> F. Smarandache, <a href="http://www.gallup.unm.edu/~smarandache/OPNS.pdf">Only Problems, Not Solutions!</a>

%H K. Atanassov, <a href="http://www.gallup.unm.edu/~smarandache/Atanassov-SomeProblems.pdf">On Some of Smarandache's Problems</a>, American Research Press, 1999, 27-32.

%p A048763 := proc(n)

%p ceil(root[3](n)) ;

%p %^3 ;

%p end proc: # _R. J. Mathar_, Nov 06 2011

%t With[{nn=80},Flatten[Table[Select[Range[0,Floor[nn^(1/3)]+1]^3,#>=n&,1],{n,0,nn}]]] (* _Harvey P. Dale_, Aug 09 2012 *)

%o (Haskell)

%o a048763 0 = 0

%o a048763 n = head $ dropWhile (< n) a000578_list

%o -- _Reinhard Zumkeller_, Nov 28 2011

%Y Cf. A048762, A201053, A000578.

%K nonn

%O 0,3

%A Charles T. Le (charlestle(AT)yahoo.com)

%E a(65), a(66) and a(67) corrected by _Reinhard Zumkeller_, Nov 28 2011

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Last modified June 18 18:52 EDT 2019. Contains 324215 sequences. (Running on oeis4.)