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 A069646 Weight distribution of [97,49,15] binary quadratic-residue (or QR) code. 0
 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4656, 23862, 14841, 65960, 190120, 741468, 3375988, 11662504, 40893648, 126088748, 360406410, 998048520, 2614461952, 6536154880, 15589859400, 35337014640, 76345991760, 157463608005 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,16 COMMENTS Taken from the Tjhai-Tomlinson web site. LINKS 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 15 4656 16 23862 17 14841 18 65960 19 190120 20 741468 21 3375988 22 11662504 23 40893648 24 126088748 25 360406410 26 998048520 27 2614461952 28 6536154880 29 15589859400 30 35337014640 31 76345991760 32 157463608005 33 310186322386 34 583880136256 35 1050952990464 36 1809974594688 37 2983811972296 38 4711282061520 39 7127688680200 40 10335148586290 41 14368570181112 42 19158093574816 43 24503812839176 44 30072861211716 45 35419208941404 46 40039105759848 47 43447332367896 48 45257637883225 49 45257637883225 50 43447332367896 51 40039105759848 52 35419208941404 53 30072861211716 54 24503812839176 55 19158093574816 56 14368570181112 57 10335148586290 58 7127688680200 59 4711282061520 60 2983811972296 61 1809974594688 62 1050952990464 63 583880136256 64 310186322386 65 157463608005 66 76345991760 67 35337014640 68 15589859400 69 6536154880 70 2614461952 71 998048520 72 360406410 73 126088748 74 40893648 75 11662504 76 3375988 77 741468 78 190120 79 65960 80 14841 81 23862 82 4656 97 1 CROSSREFS Sequence in context: A235235 A118815 A235183 * A159220 A020422 A048131 Adjacent sequences:  A069643 A069644 A069645 * A069647 A069648 A069649 KEYWORD nonn,fini AUTHOR N. J. A. Sloane, Apr 11 2009 STATUS approved

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Last modified August 19 02:24 EDT 2017. Contains 290794 sequences.