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 A067713 #5 Jan 03 2024 16:28:29 %S A067713 1,16,169,196,961,1296,2916,9216,12769,96721,237169,729316,1073296, %T A067713 1630729,2709316,10329796,69739201,109327936,130279396,133079296, %U A067713 133702969,309971236,317302969,917302369,1353209796,1725903936 %N A067713 a(n+1) is the smallest square > a(n) such that the digits of a(n) are all (with multiplicity) contained in the digits of a(n+1), with a(0)=1. %F A067713 a(n) = A014563(n)^2. %Y A067713 Cf. A014563. %K A067713 base,nonn %O A067713 0,2 %A A067713 _Marc Paulhus_, Feb 05 2002