%I A115545
%S A115545 122449,489796,122448979591836734693877551020408163265306122449,
%T A115545 489795918367346938775510204081632653061224489796
%N A115545 Numbers n such that the concatenation of 6*n with n gives a square.
%e A115545 734694_122449 = 857143^2.
%Y A115545 Cf. A102567, A106497, A115527 - A115556.
%Y A115545 Sequence in context: A067384 A066881 A048903 this_sequence A104973 A077301 
               A049358
%Y A115545 Adjacent sequences: A115542 A115543 A115544 this_sequence A115546 A115547 
               A115548
%K A115545 nonn,base
%O A115545 1,1
%A A115545 Giovanni Resta (g.resta(AT)iit.cnr.it), Jan 25 2006