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A145982 Weight distribution of [73,37,13] binary quadratic-residue (or QR) code. 0
1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1533, 6570, 19272, 69861, 266085, 827820, 2292200, 6188940, 15841584, 37443744, 82642716, 172172325, 337713987, 623471976, 1086405418, 1784808901, 2766489030, 4057517244, 5630090544 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,14

COMMENTS

Taken from the Tjhai-Tomlinson web site.

LINKS

Table of n, a(n) for n=0..31.

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

13 1533

14 6570

15 19272

16 69861

17 266085

18 827820

19 2292200

20 6188940

21 15841584

22 37443744

23 82642716

24 172172325

25 337713987

26 623471976

27 1086405418

28 1784808901

29 2766489030

30 4057517244

31 5630090544

32 7389493839

33 9183695358

34 10804347480

35 12034542312

36 12703127996

37 12703127996

38 12034542312

39 10804347480

40 9183695358

41 7389493839

42 5630090544

43 4057517244

44 2766489030

45 1784808901

46 1086405418

47 623471976

48 337713987

49 172172325

50 82642716

51 37443744

52 15841584

53 6188940

54 2292200

55 827820

56 266085

57 69861

58 19272

59 6570

60 1533

73 1

CROSSREFS

Sequence in context: A110022 A278192 A248689 * A251891 A088362 A045123

Adjacent sequences:  A145979 A145980 A145981 * A145983 A145984 A145985

KEYWORD

nonn,fini

AUTHOR

N. J. A. Sloane, Apr 09 2009

STATUS

approved

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Last modified June 25 00:41 EDT 2017. Contains 288708 sequences.