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A145687 Weight distribution of [168,84,24] binary extended quadratic-residue (or QR) code. 2
1, 0, 0, 0, 0, 0, 776216, 18130188, 5550332508, 1251282702264, 166071600559137, 13047136918828740, 629048543890724224, 19087130695796613120, 372099690249351069696, 4739291519495550533632 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,7

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

24 776216

28 18130188

32 5550332508

36 1251282702264

40 166071600559137

44 13047136918828740

48 629048543890724224

52 19087130695796613120

56 372099690249351069696

60 4739291519495550533632

64 39973673337590380494848

68 225696677727188706918400

72 860241108921860734582784

76 2227390683565491872595968

80 3935099586463594350379008

84 4755747412595715350724608

88 3935099586463594350379008

92 2227390683565491872595968

96 860241108921860734582784

100 225696677727188706918400

104 39973673337590380494848

108 4739291519495550533632

112 372099690249351069696

116 19087130695796613120

120 629048543890724224

124 13047136918828740

128 166071600559137

132 1251282702264

136 5550332508

140 18130188

144 776216

168 1

CROSSREFS

Sequence in context: A023348 A089007 A252951 * A244071 A157357 A146953

Adjacent sequences:  A145684 A145685 A145686 * A145688 A145689 A145690

KEYWORD

nonn,fini

AUTHOR

N. J. A. Sloane, Apr 02 2009

STATUS

approved

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Last modified October 16 21:10 EDT 2019. Contains 328103 sequences. (Running on oeis4.)