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 A120373 #10 Aug 21 2024 16:37:52 %S A120373 1,0,0,2982,214065,18303516,462306915,4398818490,16600354155, %T A120373 25759476488,16600354155,4398818490,462306915,18303516,214065,2982,0, %U A120373 0,1 %N A120373 Weight distribution of [72,36,12] doubly-even binary self-dual extended quadratic-residue (or QR) code. %D A120373 F. J. MacWilliams and N. J. A. Sloane, The Theory of Error-Correcting Codes, Elsevier/North Holland, 1977, Chap. 16. %H A120373 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>. %e A120373 The actual weight enumerator is x^72 + 2982*x^60*y^12 + 214065*x^56*y^16 + 18303516*x^52*y^20 + 462306915*x^48*y^24 + y^72 + 4398818490*x^44*y^28 + 16600354155*x^40*y^32 + 25759476488*x^36*y^36 + 16600354155*x^32*y^40 + 4398818490*x^28*y^44 + 462306915*x^24*y^48 + 18303516*x^20*y^52 + 214065*x^16*y^56 + 2982*x^12*y^60. %Y A120373 Cf. A018236. %K A120373 nonn,fini,full %O A120373 0,4 %A A120373 _N. J. A. Sloane_, Mar 19 2009 %E A120373 Name corrected by _Jon-Lark Kim_, Aug 16 2024