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 A145922 Weight distribution of [71,36,13] binary quadratic-residue (or QR) code. 0
 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 497, 2485, 0, 0, 47570, 166495, 0, 0, 5084310, 13219206, 0, 0, 154102305, 308204610, 0, 0, 1710651635, 2688166855, 0, 0, 7377935180, 9222418975, 0, 0, 12879738244, 12879738244, 0, 0, 9222418975 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,12 COMMENTS Taken from the Tjhai-Tomlinson web site. LINKS Table of n, a(n) for n=0..39. 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 11 497 12 2485 15 47570 16 166495 19 5084310 20 13219206 23 154102305 24 308204610 27 1710651635 28 2688166855 31 7377935180 32 9222418975 35 12879738244 36 12879738244 39 9222418975 40 7377935180 43 2688166855 44 1710651635 47 308204610 48 154102305 51 13219206 52 5084310 55 166495 56 47570 59 2485 60 497 71 1 CROSSREFS Sequence in context: A108157 A062676 A097785 * A145981 A210785 A064255 Adjacent sequences: A145919 A145920 A145921 * A145923 A145924 A145925 KEYWORD nonn,fini AUTHOR N. J. A. Sloane, Apr 07 2009 STATUS approved

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Last modified March 4 09:35 EST 2024. Contains 370528 sequences. (Running on oeis4.)