This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A045784 #16 Sep 04 2021 19:17:31 %S A045784 1,16,100,121,144,169,196,1024,1089,1156,1225,1296,1369,1444,1521, %T A045784 1600,1681,1764,1849,1936,10000,10201,10404,10609,10816,11025,11236, %U A045784 11449,11664,11881,12100,12321,12544,12769,12996,13225,13456,13689,13924 %N A045784 Squares with initial digit '1'. %H A045784 N. J. A. Sloane, <a href="/A045784/b045784.txt">Table of n, a(n) for n = 1..20000</a> %F A045784 a(n) = A045855(n)^2. - _Michel Marcus_, Sep 04 2021 %t A045784 Select[Range[120]^2,First[IntegerDigits[#]]==1&] (* _Harvey P. Dale_, Dec 31 2011 *) %Y A045784 Cf. A045855. %Y A045784 Cf. A045785, A045786, A045787, A045788, A045789, A045791, A045792, A045793. %K A045784 nonn,base %O A045784 1,2 %A A045784 _Jeff Burch_