%I A052009
%S A052009 1,10,100,107,109,116,118,146,158,161,164,166,170,178,181,185,187,188,
%T A052009 190,229,239,245,254,257,269,275,277,292,293,296,299,329,338,344,356,
%U A052009 365,368,383,386,392,407,416,425,434,443,452,455,461,467,469,470,476
%N A052009 Sum of 'n with digits sorted ascending' and 'n with digits sorted descending' 
               is prime.
%e A052009 E.g. 107 is OK because 017 + 710 = 727 is prime.
%Y A052009 Cf. A052008.
%Y A052009 Sequence in context: A115794 A105424 A115832 this_sequence A034088 A124252 
               A121030
%Y A052009 Adjacent sequences: A052006 A052007 A052008 this_sequence A052010 A052011 
               A052012
%K A052009 nonn,base
%O A052009 0,2
%A A052009 Patrick De Geest (pdg(AT)worldofnumbers.com), Nov 15 1999.