Search: id:A004166
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%I A004166
%S A004166 1,3,9,9,9,9,18,18,18,27,27,27,18,27,45,36,27,27,45,36,45,27,45,
%T A004166 54,54,63,63,81,72,72,63,81,63,72,99,81,81,90,90,81,90,99,90,108,
%U A004166 90,99,108,126,117,108,144,117,117,135,108,90,90,108,126,117,99
%N A004166 Sum of digits of 3^n.
%H A004166 Albert Frank, <a href="http://www.paulcooijmans.com/oth/intcont2003.html">
               International Contest Of Logical Sequences</a>, 2002 - 2003. Item 
               3
%H A004166 Albert Frank, <a href="http://www.paulcooijmans.com/oth/intcont2003ans.html">
               Solutions of International Contest Of Logical Sequences</a>, 2002 
               - 2003.
%Y A004166 Sequence in context: A084762 A111120 A100401 this_sequence A110759 A063750 
               A143225
%Y A004166 Adjacent sequences: A004163 A004164 A004165 this_sequence A004167 A004168 
               A004169
%K A004166 nonn,base
%O A004166 0,2
%A A004166 N. J. A. Sloane (njas(AT)research.att.com).

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