A151722 Weight distribution of [63,18,21] 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, 1452, 2772, 1890, 3150, 9828, 14364, 5488, 7056, 32760, 37128, 15183, 15183, 37128, 32760, 7056, 5488, 14364, 9828, 3150, 1890, 2772, 1452, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1

Offset

0,22

Comments

Taken from the Terada-Asatani-Koumoto web site.

Links

Table of n, a(n) for n=0..63.

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

Example

The weight distribution is:
i A_i
0 1
21 1452
22 2772
23 1890
24 3150
25 9828
26 14364
27 5488
28 7056
29 32760
30 37128
31 15183
32 15183
33 37128
34 32760
35 7056
36 5488
37 14364
38 9828
39 3150
40 1890
41 2772
42 1452
63 1

Crossrefs

Sequence in context: A237445 A122421 A187992 * A250148 A068280 A020396

Adjacent sequences: A151719 A151720 A151721 * A151723 A151724 A151725

Keyword

nonn,fini,full

Author

N. J. A. Sloane, Jun 11 2009

Status

approved