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 A045786 #11 Sep 04 2021 17:37:06 %S A045786 36,324,361,3025,3136,3249,3364,3481,3600,3721,3844,3969,30276,30625, %T A045786 30976,31329,31684,32041,32400,32761,33124,33489,33856,34225,34596, %U A045786 34969,35344,35721,36100,36481,36864,37249,37636,38025,38416,38809 %N A045786 Squares with initial digit '3'. %F A045786 a(n) = A045857(n)^2. - _Michel Marcus_, Sep 04 2021 %t A045786 Select[Range[200]^2,First[IntegerDigits[#]]==3&] (* _Harvey P. Dale_, Apr 21 2011 *) %Y A045786 Cf. A045857. %Y A045786 Cf. A045784, A045785, A045787, A045788, A045789, A045791, A045792, A045793. %K A045786 nonn,base %O A045786 1,1 %A A045786 _Jeff Burch_