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%I A138902
%S A138902 1,1,1,1,1,1,1,1,1,1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,
%T A138902 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,
%U A138902 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,6,6,6
%N A138902 Combinations of n counting duplicated digits (11, 22, 33, etc.).
%e A138902 123 = 123, 132, 213, 231, 312, 321
%Y A138902 Sequence in context: A040000 A007395 A055642 this_sequence A036452 A102572 
               A098391
%Y A138902 Adjacent sequences: A138899 A138900 A138901 this_sequence A138903 A138904 
               A138905
%K A138902 easy,nonn
%O A138902 1,11
%A A138902 Odimar Fabeny (aifab(AT)yahoo.com.br), May 16 2008

    
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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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