A145578 Weight distribution of [18,9,6] binary extended quadratic-residue (or QR) code.

1, 0, 0, 102, 153, 153, 102, 0, 0, 1

Offset

0,4

Comments

Taken from the Tjhai-Tomlinson web site.

Links

Table of n, a(n) for n=0..9.

C. J. Tjhai and Martin Tomlinson, Weight Distributions of Quadratic Residue and Quadratic Double Circulant Codes over GF(2)

Example

The weight distribution is:
i A_i
0 1
6 102
8 153
10 153
12 102
18 1

Crossrefs

Sequence in context: A023059 A015165 A160918 * A318792 A006316 A242068

Adjacent sequences: A145575 A145576 A145577 * A145579 A145580 A145581

Keyword

nonn,fini,full

Author

N. J. A. Sloane, Mar 19 2009

Status

approved