A151815 Weight distribution of [127,43,31] primitive binary BCH 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, 31115, 93345, 0, 0, 2478024, 6332728, 0, 0, 82356960, 181185312, 0, 0, 1554145736, 2967005496, 0, 0, 16837453752, 28062422920, 0, 0, 106485735720

Offset

0,32

Comments

Taken from the Terada-Asatani-Koumoto web site.

Links

Table of n, a(n) for n=0..51.

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

Example

The weight distribution is:
i A_i
0 1
31 31115
32 93345
35 2478024
36 6332728
39 82356960
40 181185312
43 1554145736
44 2967005496
47 16837453752
48 28062422920
51 106485735720
52 155632998360
55 400716792672
56 515207304864
59 905612814120
60 1026361189336
63 1238336170643
64 1238336170643
67 1026361189336
68 905612814120
71 515207304864
72 400716792672
75 155632998360
76 106485735720
79 28062422920
80 16837453752
83 2967005496
84 1554145736
87 181185312
88 82356960
91 6332728
92 2478024
95 93345
96 31115
127 1

Crossrefs

Sequence in context: A256747 A090059 A234888 * A331675 A285695 A186800

Adjacent sequences: A151812 A151813 A151814 * A151816 A151817 A151818

Keyword

nonn,fini

Author

N. J. A. Sloane, Jul 01 2009

Status

approved