%I A027723
%S A027723 7,9,313,999,31513,75357,78687,90909,98289,3159513,7642467,9009009,
%T A027723 743080347,900090009,31413131413,90000900009,97474147479,
%U A027723 3105075705013,9000009000009
%N A027723 Palindromes of form n^2+n+7.
%H A027723 P. De Geest, <a href="http://www.worldofnumbers.com/quasimor.htm">Palindromic 
               Quasi_Over_Squares of the form n^2+(n+X)</a>
%Y A027723 Cf. A027722, A027692, A027756, A005471.
%Y A027723 Sequence in context: A123746 A152551 A012252 this_sequence A046265 A082705 
               A122577
%Y A027723 Adjacent sequences: A027720 A027721 A027722 this_sequence A027724 A027725 
               A027726
%K A027723 nonn
%O A027723 1,1
%A A027723 Patrick De Geest (pdg(AT)worldofnumbers.com)