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 A102824 #4 Oct 07 2013 03:24:05 %S A102824 0,1,2,4,7,8,14,16,23,26,30,32,42,48,56,62,64,75,82,89,96,101,109,116, %T A102824 122,126,128,142,150,158,164,174,180,188,194,204,212,220,226,234,240, %U A102824 248,254,256,272,286,294,304,316,324,336,345,355,364,372,380,386 %N A102824 "True already", base 2, start 0: a(n) is the least integer such that the sequence up to a(n-1) written in base 2 contains floor(a(n)/2) copies of the digit a(n) % 2, with a(0) = 0. %D A102824 Inspired by discussion of "True so far" from _Eric Angelini_ (A102357). %Y A102824 Cf. A102823-A102830, A102357. %K A102824 nonn,easy,base %O A102824 0,3 %A A102824 _Hugo van der Sanden_, Feb 26 2005