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 A018868 #8 Mar 30 2012 18:35:08 %S A018868 0,6,5,4,3,2,22,1,21,10,20,30,9,19,29,8,49,18,28,7,110,17,58,27,37,6, %T A018868 47,16,57,26,98,5,139,46,15,118,25,190,97,4,169,107,14,179,117,55,24, %U A018868 158,96,34,3,137,75,13,209,147,85,54,23,157,126,64,33,2,167,105,74,12,208,146 %N A018868 8^a(n) is smallest power of 8 beginning with n. %H A018868 Daniel Mondot, <a href="/A018868/b018868.txt">Table of n, a(n) for n=1..32699</a> %K A018868 nonn,base %O A018868 1,2 %A A018868 _David W. Wilson_