A151422 Weight distribution of [128,50,28] extended binary primitive BCH (or XBCH) code.

1, 0, 0, 0, 0, 0, 0, 186944, 19412204, 1103839296, 33723852288, 579267441920, 5744521082944, 33558415333632, 117224663972352, 247312085243776, 316992306111910, 247312085243776, 117224663972352, 33558415333632

Offset

0,8

Comments

Taken from the Terada-Asatani-Koumoto web site.

Links

Table of n, a(n) for n=0..19.

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

Example

The weight distribution is:
i A_i
0 1
28 186944
32 19412204
36 1103839296
40 33723852288
44 579267441920
48 5744521082944
52 33558415333632
56 117224663972352
60 247312085243776
64 316992306111910
68 247312085243776
72 117224663972352
76 33558415333632
80 5744521082944
84 579267441920
88 33723852288
92 1103839296
96 19412204
100 186944
128 1

Crossrefs

Sequence in context: A253163 A185775 A046507 * A250541 A251798 A253486

Adjacent sequences: A151419 A151420 A151421 * A151423 A151424 A151425

Keyword

nonn,fini

Author

N. J. A. Sloane, May 14 2009

Status

approved