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%I #4 Mar 31 2012 10:30:58
%S 1,8,10,1,171,1,461,1,12203,1,318880,1,57725,1,6698,1
%N Lengths of the loop of the sequences "Sum of last n digits" beginning with (n-1) zeros followed by digit 9.
%e a(3)=10 because the sum of last three *digits* of the sequence beginning with 0,0,9, (two zeros followed by a 9) enters in a loop whose length is 10 terms; so a(3)=10.
%e a(4)=1 because "Sum of last four digits" beginning with 0,0,0,9 enters in a cycle of one term (the same term repeated).
%e Computed by Michael D Beeler.
%Y Cf. A112395.
%K base,easy,nonn
%O 1,2
%A _Alexandre Wajnberg_, Dec 17 2005
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