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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 June 26 02:24 EDT 2017. Contains 288749 sequences.