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A145648
Weight distribution of [42,21,10] binary extended quadratic-residue (or QR) code.
0
1, 0, 0, 0, 0, 1722, 10619, 49815, 157563, 341530, 487326, 487326, 341530, 157563, 49815, 10619, 1722, 0, 0, 0, 0, 1
OFFSET
0,6
COMMENTS
Taken from the Tjhai-Tomlinson web site.
EXAMPLE
The weight distribution is:
i A_i
0 1
10 1722
12 10619
14 49815
16 157563
18 341530
20 487326
22 487326
24 341530
26 157563
28 49815
30 10619
32 1722
42 1
CROSSREFS
Sequence in context: A205195 A200958 A048958 * A035867 A271045 A031814
KEYWORD
nonn,fini,full
AUTHOR
N. J. A. Sloane, Mar 20 2009; example lines corrected Apr 11 2009
STATUS
approved