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 A004035 M2729 #25 Dec 14 2018 09:48:11 %S A004035 0,1,1,3,8,18,36,66,80 %N A004035 The coding-theoretic function A(n,4,5). %C A004035 The first open case is A(13,4,5) >= 123. %D A004035 CRC Handbook of Combinatorial Designs, 1996, p. 411. %D A004035 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %H A004035 A. E. Brouwer, <a href="http://www.win.tue.nl/~aeb/codes/Andw.html">Bounds for binary constant weight codes</a> %H A004035 A. E. Brouwer, J. B. Shearer, N. J. A. Sloane and W. D. Smith, <a href="https://doi.org/10.1109/18.59932">New table of constant weight codes</a>, IEEE Trans. Info. Theory 36 (1990), 1334-1380. %H A004035 <a href="/index/Aa#Andw">Index entries for sequences related to A(n,d,w)</a> %K A004035 nonn,hard,more %O A004035 4,4 %A A004035 _N. J. A. Sloane_ %E A004035 a(4) corrected by _Pontus von Brömssen_, Dec 12 2018