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 A307634 #11 Apr 27 2019 19:32:12
%S A307634 3,5,5,4,6,6,12,27,8,25,58,13,15,63,72,81,32,76,175,6,7,11,13,66,78,
%T A307634 33,39,132,50,115,270,156,168,38,9,10,17,19,153,120,65,70,75,71,77,82,
%U A307634 304,204,81,114,12,15,23,29,138,57,69,228,85,90,95,93,99,104,210,74,80,84,63,174,78,87
%N A307634 RUNS transform of bisection {A307720(2k): k>=1}.
%H A307634 Rémy Sigrist, <a href="/A307634/b307634.txt">Table of n, a(n) for n = 1..10000</a>
%H A307634 Rémy Sigrist, <a href="/A307634/a307634.gp.txt">PARI program for A307634</a>
%o A307634 (PARI) See Links section.
%Y A307634 Cf. A307720, A307633.
%K A307634 nonn
%O A307634 1,1
%A A307634 _N. J. A. Sloane_, Apr 27 2019