# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a076710 Showing 1-1 of 1 %I A076710 #15 Mar 14 2020 09:49:47 %S A076710 1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,51238,270164,409904, %T A076710 1947044,4057118,17476816,99448300,390689750,1445284240,5203023264, %U A076710 18055712240,59809546795,189973513945,581095454420,1709208146190 %N A076710 Weight distribution of [137, 69, 21] binary quadratic-residue (or QR) code. %C A076710 Taken from the Tjhai-Tomlinson web site. %C A076710 According to Boston and Hao, the Tjhai-Tomlinson web site gives several erroneous values, but their article with Ambroze and Ahmed has correct values. - _Eric M. Schmidt_, Nov 17 2017 %H A076710 Nigel Boston and Jing Hao, The Weight Distribution of Quasi-quadratic Residue Codes, arXiv:1705.06413 [cs.IT], 2017. %H A076710 C. J. Tjhai and Martin Tomlinson, Weight Distributions of Quadratic Residue and Quadratic Double Circulant Codes over GF(2) [dead link] %H A076710 C. Tjhai, M. Tomlinson, M. Ambroze, M. Ahmed, On the Weight Distribution of the Extended Quadratic Residue Code of Prime 137, arXiv:0801.3926 [cs.IT], 2008. %e A076710 The weight distribution is: %e A076710 i A_i %e A076710 0 1 %e A076710 21 51238 %e A076710 22 270164 %e A076710 23 409904 %e A076710 24 1947044 %e A076710 25 4057118 %e A076710 26 17476816 %e A076710 27 99448300 %e A076710 28 390689750 %e A076710 29 1445284240 %e A076710 30 5203023264 %e A076710 31 18055712240 %e A076710 32 59809546795 %e A076710 33 189973513945 %e A076710 34 581095454420 %e A076710 35 1709208146190 %e A076710 36 4842756414205 %e A076710 37 13221982102853 %e A076710 38 34794689744350 %e A076710 39 88328700833460 %e A076710 40 216405317041977 %e A076710 41 511980845799941 %e A076710 42 1170241933257008 %e A076710 43 2585374360137184 %e A076710 44 5523299769383984 %e A076710 45 11414864729214318 %e A076710 46 22829729458428636 %e A076710 47 44202380361406672 %e A076710 48 82879463177637510 %e A076710 49 150535995889831600 %e A076710 50 264943352766103616 %e A076710 51 451961780387038844 %e A076710 52 747475252178564242 %e A076710 53 1198781830242451728 %e A076710 54 1864771735932702688 %e A076710 55 2814110491202421488 %e A076710 56 4120661790689260036 %e A076710 57 5855675469990794812 %e A076710 58 8076793751711441120 %e A076710 59 10814690610004223000 %e A076710 60 14059097793005489900 %e A076710 61 17746731937729182608 %e A076710 62 21754058504313191584 %e A076710 63 25897686719588958304 %e A076710 64 29944200269524733039 %e A076710 65 33629639551783390742 %e A076710 66 36686879511036426264 %e A076710 67 38877142978140092004 %e A076710 68 40020588359850094710 %e A076710 69 40020588359850094710 %e A076710 70 38877142978140092004 %e A076710 71 36686879511036426264 %e A076710 72 33629639551783390742 %e A076710 73 29944200269524733039 %e A076710 74 25897686719588958304 %e A076710 75 21754058504313191584 %e A076710 76 17746731937729182608 %e A076710 77 14059097793005489900 %e A076710 78 10814690610004223000 %e A076710 79 8076793751711441120 %e A076710 80 5855675469990794812 %e A076710 81 4120661790689260036 %e A076710 82 2814110491202421488 %e A076710 83 1864771735932702688 %e A076710 84 1198781830242451728 %e A076710 85 747475252178564242 %e A076710 86 451961780387038844 %e A076710 87 264943352766103616 %e A076710 88 150535995889831600 %e A076710 89 82879463177637510 %e A076710 90 44202380361406672 %e A076710 91 22829729458428636 %e A076710 92 11414864729214318 %e A076710 93 5523299769383984 %e A076710 94 2585374360137184 %e A076710 95 1170241933257008 %e A076710 96 511980845799941 %e A076710 97 216405317041977 %e A076710 98 88328700833460 %e A076710 99 34794689744350 %e A076710 100 13221982102853 %e A076710 101 4842756414205 %e A076710 102 1709208146190 %e A076710 103 581095454420 %e A076710 104 189973513945 %e A076710 105 59809546795 %e A076710 106 18055712240 %e A076710 107 5203023264 %e A076710 108 1445284240 %e A076710 109 390689750 %e A076710 110 99448300 %e A076710 111 17476816 %e A076710 112 4057118 %e A076710 113 1947044 %e A076710 114 409904 %e A076710 115 270164 %e A076710 116 51238 %e A076710 137 1 %Y A076710 Cf. A097937. %K A076710 nonn,fini %O A076710 0,22 %A A076710 _N. J. A. Sloane_, Apr 14 2009 %E A076710 Corrected (using the Tjhai et al. arXiv article) by _Eric M. Schmidt_, Nov 17 2017 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE