%I A008919
%S A008919 1089,2178,10989,21978,109989,219978,1099989,2199978,10891089,10999989,
%T A008919 21782178,21999978,108901089,109999989,217802178,219999978,1089001089,
%U A008919 1098910989,1099999989,2178002178,2197821978,2199999978,10890001089
%N A008919 n written backwards is a nontrivial multiple of n.
%D A008919 D. Wells, The Penguin Dictionary of Curious and Interesting Numbers. 
               Penguin Books, NY, 1986.
%H A008919 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               Reversal.html">Reversal</a>
%F A008919 Theorem (David W. Wilson): If reverse(n) = k*n in base 10, then k = 1, 
               4 or 9. Hence A008919 is union of A001232 and A008918.
%Y A008919 Cf. A001232, A008918. Reversals are in A031877.
%Y A008919 Sequence in context: A157256 A110819 A071685 this_sequence A110843 A023093 
               A001232
%Y A008919 Adjacent sequences: A008916 A008917 A008918 this_sequence A008920 A008921 
               A008922
%K A008919 nonn,base,nice
%O A008919 1,1
%A A008919 N. J. A. Sloane (njas(AT)research.att.com).
%E A008919 Corrected and extended by David W. Wilson (davidwwilson(AT)comcast.net) 
               Aug 15 1996, Dec 15 1997.