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 A103954 #17 Aug 29 2014 04:20:41 %S A103954 8,25,1,4,27,214369,9,64,16,2187,3125,500,36,30459361,49,128,512,225, %T A103954 81,21296,1331,100467,625,1000,144,11881,169,972,36963,6859,361,256, %U A103954 12967168,899236854927,289,864,117612,3087,10609,2704,800,518436000625 %N A103954 a(n) is the least k such that k and k+n are adjacent powerful numbers. %C A103954 Sister sequence of a(n)+n is given by A103955. %C A103954 a(105) > 10^22. - _Donovan Johnson_, Nov 19 2011 %H A103954 Donovan Johnson, <a href="/A103954/b103954.txt">Table of n, a(n) for n = 1..104</a> %H A103954 Robert G. Wilson v, <a href="/A103954/a103954.txt">Table of n, a(n) for n = 1..10000, set to 0 where term is unknown.</a> %Y A103954 Cf. A103953, A103955, A023056. %K A103954 nonn %O A103954 1,1 %A A103954 _Max Alekseyev_, Feb 22 2005 %E A103954 Offset corrected by _Donovan Johnson_, Nov 19 2011