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 A028385 #6 Jul 08 2025 18:33:22 %S A028385 1,0,0,12972,356730,2330636,3840840,1664740,178365,4324 %N A028385 Weight distribution of [ 47,23,12 ] binary quadratic-residue code. %D A028385 F. J. MacWilliams and N. J. A. Sloane, The Theory of Error-Correcting Codes, Elsevier-North Holland, 1978, p. 494. %e A028385 x^47 + 12972*x^35*y^12 + 356730*x^31*y^16 + 2330636*x^27*y^20 + 3840840*x^23*y^24 + 1664740*x^19*y^28 + 178365*x^15*y^32 + 4324*x^11*y^36 %Y A028385 Cf. A028384 (dual). %K A028385 nonn,fini,full %O A028385 0,4 %A A028385 _N. J. A. Sloane_