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 A145686 Weight distribution of [152,76,20] binary extended quadratic-residue (or QR) code. 0
 1, 0, 0, 0, 0, 28690, 717250, 164250250, 39390351505, 5498418962110, 430930711621830, 19714914846904500, 542987434093298560, 9222363801696269312, 98458872937331752960, 670740325520798121984 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,6 COMMENTS Taken from the Tjhai-Tomlinson web site. LINKS Table of n, a(n) for n=0..15. 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 20 28690 24 717250 28 164250250 32 39390351505 36 5498418962110 40 430930711621830 44 19714914846904500 48 542987434093298560 52 9222363801696269312 56 98458872937331752960 60 670740325520798121984 64 2949674479653615566848 68 8446025592483506814976 72 15840564760239237234688 76 19527364659006696062976 80 15840564760239237234688 84 8446025592483506814976 88 2949674479653615566848 92 670740325520798121984 96 98458872937331752960 100 9222363801696269312 104 542987434093298560 108 19714914846904500 112 430930711621830 116 5498418962110 120 39390351505 124 164250250 128 717250 132 28690 152 1 CROSSREFS Sequence in context: A122650 A172755 A172827 * A224576 A234835 A255659 Adjacent sequences: A145683 A145684 A145685 * A145687 A145688 A145689 KEYWORD nonn,fini AUTHOR N. J. A. Sloane, Apr 02 2009 STATUS approved

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Last modified May 30 15:08 EDT 2024. Contains 372968 sequences. (Running on oeis4.)