Search: id:A003620
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%I A003620 M2829
%S A003620 3,10,4,5,10,2,5,3,2,3,6,6,6,3,5,6,10,5,5,10,6,6,6,2,5,8,2,6,8,4,6,6,4,
%T A003620 5,10,2,4,7,11,5,7,9,10,7,1,6,7,11,7,10,0,6,8,9,6,4,11,7,13,2,6,4,4,10,
%U A003620 8,4,5,3,2,5,7,9,10,4,8,8,7,5,10,3
%N A003620 Number of iterations until 3n reaches 153 under x goes to sum of cubes 
               of digits map.
%C A003620 a(n) = A165331(A008585(n)). [From Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), 
               Nov 21 2009]
%D A003620 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A003620 J. Roberts, Lure of the Integers, Math. Assoc. America, 1992, p. 13.
%Y A003620 Sequence in context: A010708 A072988 A131814 this_sequence A111229 A100984 
               A045985
%Y A003620 Cf. A055012. [From Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), 
               Nov 21 2009]
%Y A003620 Adjacent sequences: A003617 A003618 A003619 this_sequence A003621 A003622 
               A003623
%K A003620 nonn,base,new
%O A003620 1,1
%A A003620 N. J. A. Sloane (njas(AT)research.att.com), Mira Bernstein

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