%I A082722
%S A082722 2,6,13,14,15,16,20,25,27,28,29,30,31,32
%N A082722 There exist no palindromic nonagonals (enneagonals) of length n.
%H A082722 P. De Geest, <a href="http://www.worldofnumbers.com/nona.htm">Palindromic 
               nonagonals</a>
%Y A082722 Cf. A034822, A059868, A082721, A059869, A059870, A034307.
%Y A082722 Sequence in context: A161324 A116534 A130533 this_sequence A030416 A006284 
               A048072
%Y A082722 Adjacent sequences: A082719 A082720 A082721 this_sequence A082723 A082724 
               A082725
%K A082722 nonn,base,hard
%O A082722 1,1
%A A082722 Patrick De Geest (pdg(AT)worldofnumbers.com), Apr 13 2003.