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 A118880 Cube numbers equal to sum of decimal digits of n. 2
 0, 1, 8, 27, 64, 125, 216, 343, 512, 729, 1, 8, 27, 64, 125, 216, 343, 512, 729, 1000, 8, 27, 64, 125, 216, 343, 512, 729, 1000, 1331, 27, 64, 125, 216, 343, 512, 729, 1000, 1331, 1728, 64, 125, 216, 343, 512, 729, 1000, 1331, 1728, 2197, 125, 216, 343, 512 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 LINKS FORMULA a(n) = (A007953(n))^3. [From R. J. Mathar, Apr 22 2010] EXAMPLE Trajectories of x->a(x), see A182128: 1 ->1 ->1 ->1 ->1 ->1 ->1 ->1 ->1 ->.. 2 ->8 ->512 ->512 ->512 ->512 ->512 ->512 ->512 ->.. 3 ->27 ->729 ->5832 ->5832 ->5832 ->5832 ->5832 ->5832 ->.. 4 ->64 ->1000 ->1 ->1 ->1 ->1 ->1 ->1 ->.. 5 ->125 ->512 ->512 ->512 ->512 ->512 ->512 ->512 ->.. 6 ->216 ->729 ->5832 ->5832 ->5832 ->5832 ->5832 ->5832 ->.. 7 ->343 ->1000 ->1 ->1 ->1 ->1 ->1 ->1 ->.. 8 ->512 ->512 ->512 ->512 ->512 ->512 ->512 ->512 ->.. 9 ->729 ->5832 ->5832 ->5832 ->5832 ->5832 ->5832 ->5832 ->.. 10 ->1 ->1 ->1 ->1 ->1 ->1 ->1 ->1 ->.. 11 ->8 ->512 ->512 ->512 ->512 ->512 ->512 ->512 ->.. 12 ->27 ->729 ->5832 ->5832 ->5832 ->5832 ->5832 ->5832 ->.. 13 ->64 ->1000 ->1 ->1 ->1 ->1 ->1 ->1 ->.. 14 ->125 ->512 ->512 ->512 ->512 ->512 ->512 ->512 ->.. - R. J. Mathar, Jul 08 2012 CROSSREFS Sequence in context: A254521 A055012 A069939 * A048390 A000578 A062292 Adjacent sequences:  A118877 A118878 A118879 * A118881 A118882 A118883 KEYWORD base,easy,nonn AUTHOR Giovanni Teofilatto, May 25 2006 STATUS approved

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Last modified January 27 13:48 EST 2021. Contains 340467 sequences. (Running on oeis4.)