A151623 Weight distribution of [256,55,64] extended binary primitive BCH (or XBCH) code.

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, 0, 0, 130560, 1044480, 0, 0, 10183680, 23109120, 270781440, 319610880, 4518816768, 5955102720, 59945135616, 64479928320, 598790983680

Offset

0,33

Comments

Taken from the Terada-Asatani-Koumoto web site.

Links

Georg Fischer, Table of n, a(n) for n = 0..128

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

Example

The weight distribution is:
i A_i
0 1
64 43180
70 130560
72 1044480
78 10183680
80 23109120
82 270781440
84 319610880
86 4518816768
88 5955102720
90 59945135616
92 64479928320
94 598790983680
96 572202044736
98 4583317155840
100 3825903083520
102 26953843315200
104 19772333844480
106 122268832164864
108 78803853926400
110 429068409283584
112 243546776711680
114 1167965667240960
116 584395471503360
118 2470889383864320
120 1090391065821184
122 4068684362580480
124 1584675425894400
126 5219721530474496
128 1795091631404070
130 5219721530474496
132 1584675425894400
134 4068684362580480
136 1090391065821184
138 2470889383864320
140 584395471503360
142 1167965667240960
144 243546776711680
146 429068409283584
148 78803853926400
150 122268832164864
152 19772333844480
154 26953843315200
156 3825903083520
158 4583317155840
160 572202044736
162 598790983680
164 64479928320
166 59945135616
168 5955102720
170 4518816768
172 319610880
174 270781440
176 23109120
178 10183680
184 1044480
186 130560
192 43180
256 1

Crossrefs

Sequence in context: A205906 A134450 A141085 * A151660 A238595 A205053

Adjacent sequences: A151620 A151621 A151622 * A151624 A151625 A151626

Keyword

nonn,fini,full

Author

N. J. A. Sloane, May 30 2009

Extensions

Zeroes inserted by Georg Fischer, Jul 16 2020

Status

approved