%I A028348
%S A028348 1,2,6,10,12,21,29,35,94,100,117,122,325,380,442,1000,1132,1307,
%T A028348 3073,10000,10325,10602,12652,13207,30404,30834,31474,32672,95603,
%U A028348 96439,100000,110665,234566
%N A028348 Numbers n such that n^2 + n - 1 is a palindrome.
%H A028348 P. De Geest, <a href="http://www.worldofnumbers.com/sumpower.htm">Palindromic 
               Quasi_Under_Squares of the form n+(n+1)^2</a>
%Y A028348 Cf. A028349.
%Y A028348 Sequence in context: A097381 A055743 A071638 this_sequence A140776 A108783 
               A066679
%Y A028348 Adjacent sequences: A028345 A028346 A028347 this_sequence A028349 A028350 
               A028351
%K A028348 nonn,base
%O A028348 1,2
%A A028348 Patrick De Geest (pdg(AT)worldofnumbers.com)