A146946 Weight distribution of [136,68,24] double circulant code.

1, 0, 0, 0, 0, 0, 3997890, 1228844320, 182985731775, 14283914414016, 612875802567105, 14997654299809440, 215365307912371904, 1855049119250976000, 9745212817192720384, 31607315976754470912

Offset

0,7

Comments

Taken from the Tjhai-Tomlinson web site.

Links

Table of n, a(n) for n=0..15.

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
24 3997890
28 1228844320
32 182985731775
36 14283914414016
40 612875802567105
44 14997654299809440
48 215365307912371904
52 1855049119250976000
56 9745212817192720384
60 31607315976754470912
64 63822675800631222272
68 80625417139398574080
72 63822675800631222272
76 31607315976754470912
80 9745212817192720384
84 1855049119250976000
88 215365307912371904
92 14997654299809440
96 612875802567105
100 14283914414016
104 182985731775
108 1228844320
112 3997890
136 1

Crossrefs

Sequence in context: A047987 A234798 A290123 * A109207 A104930 A251614

Adjacent sequences: A146943 A146944 A146945 * A146947 A146948 A146949

Keyword

nonn,fini

Author

N. J. A. Sloane, Apr 20 2009

Status

approved