Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A008890
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
%I A008890
%S A008890 168,312,528,960,2088,3762,5598,6570,10746,13254,13830,
%T A008890 19434,20886,21606,25098,26742,26754,40446,63234,77406,
%U A008890 110754,171486,253458,295740,647748,1077612,1467588,1956812
%N A008890 Aliquot sequence starting at 168.
%D A008890 R. K. Guy, Unsolved Problems in Number Theory, B6.
%H A008890 Christophe CLAVIER, <a href="http://christophe.clavier.free.fr/Aliquot/
               site/Aliquot.html">Aliquot Sequences</a>
%p A008890 f := proc(n) option remember; if n = 0 then 168; else sigma(f(n-1))-f(n-1); 
               fi; end:
%Y A008890 Sequence in context: A060662 A059463 A038812 this_sequence A105915 A158219 
               A027679
%Y A008890 Adjacent sequences: A008887 A008888 A008889 this_sequence A008891 A008892 
               A008893
%K A008890 nonn
%O A008890 0,1
%A A008890 N. J. A. Sloane (njas(AT)research.att.com).

    
page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


AT&T Labs Research