%I A030465
%S A030465 183,328,528,715,6099,13224,40495,106755,453288,2066115,2975208,
%T A030465 22145328,28027683,110213248,110667555,147928995,178838403,
%U A030465 226123528,275074575,333052608,378698224,445332888,446245635
%N A030465 Numbers n such that n concatenated with n+1 is a square.
%C A030465 Also called Sastry numbers. - Lekraj Beedassy (blekraj(AT)yahoo.com), 
               Jul 18 2008
%D A030465 J.-M. De Koninck, Ces nombres qui nous fascinent, Entry 183, p. 56, Ellipses, 
               Paris 2008.
%Y A030465 Cf. A030466, A030467, A054214, A054215, A054216, A020339, A020340.
%Y A030465 Sequence in context: A145525 A028676 A133609 this_sequence A147270 A147124 
               A061657
%Y A030465 Adjacent sequences: A030462 A030463 A030464 this_sequence A030466 A030467 
               A030468
%K A030465 nonn,base
%O A030465 1,1
%A A030465 Patrick De Geest (pdg(AT)worldofnumbers.com)