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 A319424 #16 Oct 10 2018 09:15:35 %S A319424 11,1100,11000,110011,1100011,11001100,110001100,110011000,1100110011, %T A319424 11000110011,11001100011,110011001100,1100011001100,1100110001100, %U A319424 1100110011000,11001100110011,110001100110011,110011000110011,110011001100011,1100110011001100,11000110011001100,11001100011001100,11001100110001100,11001100110011000,110011001100110011,1100011001100110011 %N A319424 Records in A175046 (but written in base 2). %C A319424 More terms than usual are given in order to display the pattern. %C A319424 Conjecture. a(n) is either an alternating string of 11's and 00's, or exactly one of the 00's is replaced by 000. %C A319424 Conjecture is true (see A319423). - _Chai Wah Wu_, Oct 04 2018 %H A319424 Chai Wah Wu, <a href="/A319424/b319424.txt">Table of n, a(n) for n = 1..10099</a> %H A319424 N. J. A. Sloane, <a href="/transforms.txt">Transforms</a> %H A319424 Chai Wah Wu, <a href="https://arxiv.org/abs/1810.02293">Record values in appending and prepending bitstrings to runs of binary digits</a>, arXiv:1810.02293 [math.NT], 2018 %Y A319424 Cf. A175406, A319422, A319423. %K A319424 nonn,base %O A319424 1,1 %A A319424 _N. J. A. Sloane_, Sep 23 2018