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 A067717 #5 Jan 03 2024 17:02:47 %S A067717 4,49,1849,18496,134689,1338649,3319684,13380964,30891364,38390416, %T A067717 93683041,103693489,139098436,318693904,433180969,803949316, %U A067717 1036389249,1836293904,2893041369,3029841936,3103269849,3134096289,3321908496 %N A067717 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)=4. %C A067717 a(n) for n>0 remains the same when a(0)=9. %F A067717 a(n) = A067975(n)^2. %Y A067717 Cf. A067975. %K A067717 base,nonn %O A067717 0,1 %A A067717 _Marc Paulhus_, Feb 05 2002