A142708 Weight distribution of [114,57,16] binary extended quadratic-residue (or QR) code.

1, 0, 0, 0, 0, 0, 0, 0, 25764, 0, 450870, 2795394, 36685789, 468994974, 4741799790, 40222705272, 282354497019, 1670741392215, 8378734842802, 35791510616904, 130792381305999, 410299386601373, 1108537936510704

Offset

0,9

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
16 25764
20 450870
22 2795394
24 36685789
26 468994974
28 4741799790
30 40222705272
32 282354497019
34 1670741392215
36 8378734842802
38 35791510616904
40 130792381305999
42 410299386601373
44 1108537936510704
46 2586605780563854
48 5223754097520833
50 9146861126267592
52 13906428976796370
54 18376732004342040
56 21121413533212376
58 21121413533212376
60 18376732004342040
62 13906428976796370
64 9146861126267592
66 5223754097520833
68 2586605780563854
70 1108537936510704
72 410299386601373
74 130792381305999
76 35791510616904
78 8378734842802
80 1670741392215
82 282354497019
84 40222705272
86 4741799790
88 468994974
90 36685789
92 2795394
94 450870
98 25764
114 1

Crossrefs

Sequence in context: A237478 A115535 A109252 * A224575 A237962 A237744

Adjacent sequences: A142705 A142706 A142707 * A142709 A142710 A142711

Keyword

nonn,fini

Author

N. J. A. Sloane, Apr 02 2009

Status

approved