A131353 Weight distribution of [124,62,20] double circulant code.

1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 90768, 529480, 10873250, 171180884, 2159102198, 22668808776, 199576556020, 1489045613508, 9466389337938, 51549138453256, 241551099887720, 977979841051968, 3433274842143012

Offset

0,11

Comments

Taken from the Tjhai-Tomlinson web site.

Links

Table of n, a(n) for n=0..22.

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
20 90768
22 529480
24 10873250
26 171180884
28 2159102198
30 22668808776
32 199576556020
34 1489045613508
36 9466389337938
38 51549138453256
40 241551099887720
42 977979841051968
44 3433274842143012
46 10482288501057056
48 27906300869721380
50 64924782329852000
52 132248827882614304
54 236218089014480064
56 370432817595720576
58 510493584341738304
60 618649064180799872
62 659543439108163328
64 618649064180799872
66 510493584341738304
68 370432817595720576
70 236218089014480064
72 132248827882614304
74 64924782329852000
76 27906300869721380
78 10482288501057056
80 3433274842143012
82 977979841051968
84 241551099887720
86 51549138453256
88 9466389337938
90 1489045613508
92 199576556020
94 22668808776
96 2159102198
98 171180884
100 10873250
102 529480
104 90768
124 1

Crossrefs

Sequence in context: A075007 A287383 A179732 * A183677 A015316 A212853

Adjacent sequences: A131350 A131351 A131352 * A131354 A131355 A131356

Keyword

nonn,fini

Author

N. J. A. Sloane, Apr 19 2009

Status

approved