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A146888 Weight distribution of [167,84,23] binary quadratic-residue (or QR) code. 0
1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 110888, 665328, 0, 0, 3021698, 15108490, 0, 0, 1057206192, 4493126316, 0, 0, 268132007628, 983150694636, 0, 0, 39540857275985, 126530743283152, 0, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,24

COMMENTS

Taken from the Tjhai-Tomlinson web site.

LINKS

Table of n, a(n) for n=0..42.

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

23 110888

24 665328

27 3021698

28 15108490

31 1057206192

32 4493126316

35 268132007628

36 983150694636

39 39540857275985

40 126530743283152

43 3417107288264670

44 9630029630564070

47 179728155397349760

48 449320388493374464

51 5907921405841809408

52 13179209289954805760

55 124033230083117023232

56 248066460166234046464

59 1692604114105553649664

60 3046687405389996621824

63 15228066033367764697088

64 24745607304222617894912

67 91353417175290666287104

68 134343260551898023854080

71 368674760966511714631680

72 491566347955349019951104

75 1007629118755817681584128

76 1219761564809674056794112

79 1873856945935044852056064

80 2061242640528549229887488

83 2377873706297857675362304

84 2377873706297857675362304

87 2061242640528549229887488

88 1873856945935044852056064

91 1219761564809674056794112

92 1007629118755817681584128

95 491566347955349019951104

96 368674760966511714631680

99 134343260551898023854080

100 91353417175290666287104

103 24745607304222617894912

104 15228066033367764697088

107 3046687405389996621824

108 1692604114105553649664

111 248066460166234046464

112 124033230083117023232

115 13179209289954805760

116 5907921405841809408

119 449320388493374464

120 179728155397349760

123 9630029630564070

124 3417107288264670

127 126530743283152

128 39540857275985

131 983150694636

132 268132007628

135 4493126316

136 1057206192

139 15108490

140 3021698

143 665328

144 110888

167 1

CROSSREFS

Sequence in context: A251034 A265713 A114684 * A175535 A103874 A195223

Adjacent sequences:  A146885 A146886 A146887 * A146889 A146890 A146891

KEYWORD

nonn,fini

AUTHOR

N. J. A. Sloane, Apr 15 2009

STATUS

approved

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Last modified August 22 11:15 EDT 2017. Contains 290946 sequences.