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A151660 Weight distribution of [256,63,64] extended binary primitive BCH (or XBCH) 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, 0, 0, 0, 0, 0, 0, 0, 0, 0, 43180, 261120, 0, 1501440, 7376640, 98572800, 172078080, 2851952640, 4852262400, 67242055680, 96309150720, 1166182422528, 1459521557760 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,33

COMMENTS

Taken from the Terada-Asatani-Koumoto web site.

LINKS

Table of n, a(n) for n=0..44.

M. Terada, J. Asatani and T. Koumoto, Weight Distribution

EXAMPLE

The weight distribution is:

i A_i

0 1

64 43180

66 261120

70 1501440

72 7376640

74 98572800

76 172078080

78 2851952640

80 4852262400

82 67242055680

84 96309150720

86 1166182422528

88 1459521557760

90 15321213010176

92 16709035898880

94 153312193244160

96 146146884054336

98 1173316151301120

100 979975572879360

102 6900428068335360

104 5059392102393600

106 31299895943230464

108 20178601990364160

110 109843178924304384

112 62349216734702080

114 298997057318922240

116 149588571210624000

118 632550521391905280

120 279154377573332224

122 1041579982098712320

124 405696763652689920

126 1336250264140809216

128 459500377974879270

130 1336250264140809216

132 405696763652689920

134 1041579982098712320

136 279154377573332224

138 632550521391905280

140 149588571210624000

142 298997057318922240

144 62349216734702080

146 109843178924304384

148 20178601990364160

150 31299895943230464

152 5059392102393600

154 6900428068335360

156 979975572879360

158 1173316151301120

160 146146884054336

162 153312193244160

164 16709035898880

166 15321213010176

168 1459521557760

170 1166182422528

172 96309150720

174 67242055680

176 4852262400

178 2851952640

180 172078080

182 98572800

184 7376640

186 1501440

190 261120

192 43180

256 1

CROSSREFS

Sequence in context: A134450 A141085 A151623 * A238595 A205053 A146074

Adjacent sequences:  A151657 A151658 A151659 * A151661 A151662 A151663

KEYWORD

nonn,fini

AUTHOR

N. J. A. Sloane, May 30 2009

STATUS

approved

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Last modified August 16 00:25 EDT 2018. Contains 313782 sequences. (Running on oeis4.)