Search: id:A052216
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%I A052216
%S A052216 2,11,20,101,110,200,1001,1010,1100,2000,10001,10010,10100,11000,20000,
%T A052216 100001,100010,100100,101000,110000,200000,1000001,1000010,1000100,
%U A052216 1001000,1010000,1100000,2000000,10000001,10000010,10000100,10001000
%N A052216 Numbers n such that sum of digits is 2.
%F A052216 Sum of two powers of 10: a(n) = 10^n + 10^m, n >= 0, m = 0, ... n.
%Y A052216 Cf. A007953.
%Y A052216 Sequence in context: A064975 A115095 A061907 this_sequence A094629 A081242 
               A071762
%Y A052216 Adjacent sequences: A052213 A052214 A052215 this_sequence A052217 A052218 
               A052219
%K A052216 base,easy,nonn
%O A052216 1,1
%A A052216 Henry Bottomley (se16(AT)btinternet.com), Feb 01 2000

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