%I A034307
%S A034307 2,5,9,12,18,20,30,34
%N A034307 Numbers n such that there are no palindromic pronic numbers of length 
               n.
%H A034307 P. De Geest, <a href="http://www.worldofnumbers.com/consec.htm">Palindromic 
               pronic numbers of the form n(n+1)</a>
%Y A034307 Cf. A002378, A028336, A028337.
%Y A034307 Sequence in context: A086343 A056549 A034806 this_sequence A070828 A112988 
               A139405
%Y A034307 Adjacent sequences: A034304 A034305 A034306 this_sequence A034308 A034309 
               A034310
%K A034307 nonn,base,hard
%O A034307 1,1
%A A034307 Patrick De Geest (pdg(AT)worldofnumbers.com), Oct 15 1998.