Search: id:A015980
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%I A015980
%S A015980 69,78,87,96,174,175,181,183,191,192,195,273,274,280,282,290,291,
%T A015980 294,372,373,381,390,393,471,472,480,492,539,570,571,579,591,599,
%U A015980 629,638,649,670,678,679,690,698,699,728,729,737,748,749,769,777
%N A015980 Four iterations of Reverse and Add are needed to reach a palindrome.
%C A015980 The number of iterations starts at 1, so palindromes (cf. A002113) are 
               not excluded. The corresponding sequence excluding palindromes is 
               A065209.
%H A015980 <a href="Sindx_Res.html#RAA">Index entries for sequences related to Reverse 
               and Add!</a>
%Y A015980 A002113, A065209.
%Y A015980 Sequence in context: A036181 A033389 A166067 this_sequence A065209 A045021 
               A111156
%Y A015980 Adjacent sequences: A015977 A015978 A015979 this_sequence A015981 A015982 
               A015983
%K A015980 nonn,base
%O A015980 0,1
%A A015980 Robert G. Wilson v (rgwv(AT)rgwv.com)

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