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 A082783 #7 Dec 05 2013 19:56:13 %S A082783 8,88,8008,808808,8008008008,80088088088008,80008080088008080008, %T A082783 8000008008008008008008000008,80000080088080088088088008088008000008 %N A082783 a(1) = 8, a(n) = smallest palindromic multiple of a(n-1) obtained by inserting digits anywhere in a(n-1). %Y A082783 Cf. A082776, A082777, A082778, A082779, A082780, A082781, A082782. %K A082783 base,more,nonn %O A082783 1,1 %A A082783 _Amarnath Murthy_, Apr 19 2003 %E A082783 Corrected and extended by _Ray Chandler_, Oct 13 2003 %E A082783 a(8)-a(9) from _Sean A. Irvine_, Apr 19 2010