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 A080812 #9 Jan 03 2022 21:14:10 %S A080812 9,49,4096,3748096,4932784804069376, %T A080812 44934932784038660743085694310776796224 %N A080812 a(1) = 9, a(n)= smallest n-th power obtained by inserting digits anywhere in a(n-1). %C A080812 Essentially the same as A080808. %Y A080812 Cf. A080804 - A080811. %K A080812 base,more,nonn %O A080812 1,1 %A A080812 _Amarnath Murthy_, Mar 22 2003 %E A080812 3 more terms from _Sean A. Irvine_, Sep 06 2009