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 A002289 #16 Jan 29 2022 12:17:02 %S A002289 1,0,0,0,0,0,0,253,506,0,0,1288,1288,0,0,506,253,0,0,0,0,0,0,1 %N A002289 Weight distribution of [ 23,12,7 ] binary perfect Golay code. %D A002289 W. Ebeling, Lattices and Codes, Vieweg; 2nd ed., 2002, see p. 71. %D A002289 F. J. MacWilliams and N. J. A. Sloane, The Theory of Error-Correcting Codes, Elsevier-North Holland, 1978, p. 635. %H A002289 J. H. Conway and N. J. A. Sloane, <a href="https://www.researchgate.net/publication/3077646_Orbit_and_Coset_Analysis_of_the_Golay_and_Related_Codes">Orbit and coset analysis of the Golay and related codes</a>, IEEE Trans. Inform. Theory, 36 (1990), 1038-1050. %H A002289 C. J. Tjhai and Martin Tomlinson, <a href="https://web.archive.org/web/20170312040938/http://www.tech.plym.ac.uk/Research/fixed_and_mobile_communications/links/weightdistributions.htm">Weight Distributions of Quadratic Residue and Quadratic Double Circulant Codes over GF(2)</a> %Y A002289 Cf. A001380. %K A002289 nonn,fini,full,nice %O A002289 0,8 %A A002289 _N. J. A. Sloane_