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 A145683 Weight distribution of [98,49,16] binary extended quadratic-residue (or QR) code. 0
 1, 0, 0, 0, 0, 0, 0, 0, 28518, 80801, 931588, 15038492, 166982396, 1358454930, 9150616832, 50926874040, 233809599765, 894066458642, 2860927585152, 7695094033816, 17462837266490, 33526663755928, 54576674050892 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,9 COMMENTS Taken from the Tjhai-Tomlinson web site. LINKS Table of n, a(n) for n=0..22. C. J. Tjhai and Martin Tomlinson, Weight Distributions of Quadratic Residue and Quadratic Double Circulant Codes over GF(2) EXAMPLE The weight distribution is: i A_i 0 1 16 28518 18 80801 20 931588 22 15038492 24 166982396 26 1358454930 28 9150616832 30 50926874040 32 233809599765 34 894066458642 36 2860927585152 38 7695094033816 40 17462837266490 42 33526663755928 44 54576674050892 46 75458314701252 48 88704970251121 50 88704970251121 52 75458314701252 54 54576674050892 56 33526663755928 58 17462837266490 60 7695094033816 62 2860927585152 64 894066458642 66 233809599765 68 50926874040 70 9150616832 72 1358454930 74 166982396 76 15038492 78 931588 80 80801 82 28518 98 1 CROSSREFS Sequence in context: A083612 A252879 A231417 * A205890 A186531 A253837 Adjacent sequences: A145680 A145681 A145682 * A145684 A145685 A145686 KEYWORD nonn,fini AUTHOR N. J. A. Sloane, Mar 30 2009 STATUS approved

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Last modified April 21 23:54 EDT 2024. Contains 371886 sequences. (Running on oeis4.)