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%I #4 Jun 09 2016 22:09:09
%S 1,2,3,4,5,6,7,8,9,10,6,5,7,4,8,3,9,6,5,7,4,3,2,8,10,9,7,6,5,4,8,3,2,
%T 10,9,7,6,8,5,4,3,2,10,9,8,7,6,5,4,3,2,10,9,8,7,6,5,4,3,2,10,9,8,7,6,
%U 5,4,3,2,10,9,8,7,6,5,4,3,2,10,9,8,7,6,5,4,3,2,10,9,8,7,6,5,4,3,2,10,9,8,7,6,5,4,3,2,10,9,8,7,6
%N Every term a(n) says: "The a(n) digits on my left (my digits included) are all different".
%C Becomes periodic with period length 10: 5,4,3,2,10,9,8,7,6.
%H Eric Angelini, <a href="http://www.cetteadressecomportecinquantesignes.com/DigitChaos.htm">Digit chaos in a window</a>
%H E. Angelini, <a href="/A171060/a171060.pdf">Digit chaos in a window</a> [Cached copy, with permission]
%K nonn,base
%O 1,2
%A _N. J. A. Sloane_, Sep 04 2010, based on a posting to the Sequence Fans Mailing List by Eric Angelini, Aug 18 2010
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