Search: id:A070199
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%I A070199
%S A070199 10,19,109,199,1099,1999,10999,19999,109999,199999,1099999,1999999,
%T A070199 10999999,19999999,109999999,199999999,1099999999,1999999999,10999999999,
%U A070199 19999999999,109999999999,199999999999,1099999999999,1999999999999
%N A070199 Number of palindromes of length <= n.
%Y A070199 Partial sums of A070252.
%Y A070199 Sequence in context: A166706 A131495 A060630 this_sequence A015445 A123001 
               A073222
%Y A070199 Adjacent sequences: A070196 A070197 A070198 this_sequence A070200 A070201 
               A070202
%K A070199 nonn,base
%O A070199 1,1
%A A070199 N. J. A. Sloane (njas(AT)research.att.com) and Robert G. Wilson v (rgwv(AT)rgwv.com), 
               May 14 2002

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