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 A028384 #9 Jul 08 2025 18:33:14 %S A028384 1,0,0,0,0,0,0,0,0,0,0,4324,12972,0,0,178365,356730,0,0,1664740, %T A028384 2330636,0,0,3840840,3840840,0,0,2330636,1664740,0,0,356730,178365,0, %U A028384 0,12972,4324,0,0,0,0,0,0,0,0,0,0,1 %N A028384 Weight distribution of [ 47,24,11 ] binary quadratic-residue code. %D A028384 F. J. MacWilliams and N. J. A. Sloane, The Theory of Error-Correcting Codes, Elsevier-North Holland, 1978, p. 494. %H A028384 C. J. Tjhai and Martin Tomlinson, <a href="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> %e A028384 x^47 + 4324*x^36*y^11 + 12972*x^35*y^12 + 178365*x^32*y^15 + 356730*x^31*y^16 + %e A028384 1664740*x^28*y^19 + 2330636*x^27*y^20 + 3840840*x^24*y^23 + 3840840*x^23*y^24 + %e A028384 2330636*x^20*y^27 + 1664740*x^19*y^28 + 356730*x^16*y^31 + 178365*x^15*y^32 + %e A028384 12972*x^12*y^35 + 4324*x^11*y^36 + y^47. %o A028384 (Magma) C:=QRCode(GF(2),47); W<x,y>:=WeightEnumerator(C); W; %K A028384 nonn,fini,full %O A028384 0,12 %A A028384 _N. J. A. Sloane_