A146897 Weight distribution of [108,54,20] double circulant code.

1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 260442, 5804136, 74455407, 746650008, 6776021115, 48988609776, 296249593887, 1505946930696, 6456853758147, 23472658198080, 72678166237737, 192293022909528, 436002802265628, 849260837522448

Offset

0,11

Comments

Taken from the Tjhai-Tomlinson web site.

Links

Georg Fischer, Table of n, a(n) for n = 0..54

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 260442
22 5804136
24 74455407
26 746650008
28 6776021115
30 48988609776
32 296249593887
34 1505946930696
36 6456853758147
38 23472658198080
40 72678166237737
42 192293022909528
44 436002802265628
46 849260837522448
48 1423731100290057
50 2057126174405640
52 2564427604488075
54 2759782492680368
56 2564427604488075
58 2057126174405640
60 1423731100290057
62 849260837522448
64 436002802265628
66 192293022909528
68 72678166237737
70 23472658198080
72 6456853758147
74 1505946930696
76 296249593887
78 48988609776
80 6776021115
82 746650008
84 74455407
86 5804136
88 260442
108 1

Crossrefs

Sequence in context: A317747 A252445 A184781 * A249836 A226111 A002272

Adjacent sequences: A146894 A146895 A146896 * A146898 A146899 A146900

Keyword

nonn,fini,full

Author

N. J. A. Sloane, Apr 18 2009

Extensions

Zeroes inserted by Georg Fischer, Jul 16 2020

Status

approved