A146894 Weight distribution of [60,30,12] double circulant code.

1, 0, 0, 0, 0, 0, 4060, 24360, 294930, 1728400, 7758660, 26336640, 67403540, 129936240, 192974265, 220819632, 192974265, 129936240, 67403540, 26336640, 7758660, 1728400, 294930, 24360, 4060, 0, 0, 0, 0, 0, 1

Offset

0,7

Comments

Taken from the Tjhai-Tomlinson web site.

Links

Table of n, a(n) for n=0..30.

C. J. Tjhai and Martin Tomlinson, Weight Distributions of Quadratic Residue and Quadratic Double Circulant Codes over GF(2)

List of weight distributions

Example

The weight distribution is:
i A_i
0 1
12 4060
14 24360
16 294930
18 1728400
20 7758660
22 26336640
24 67403540
26 129936240
28 192974265
30 220819632
32 192974265
34 129936240
36 67403540
38 26336640
40 7758660
42 1728400
44 294930
46 24360
48 4060
60 1

Crossrefs

Sequence in context: A163010 A069332 A118060 * A013688 A221452 A233985

Adjacent sequences: A146891 A146892 A146893 * A146895 A146896 A146897

Keyword

nonn,fini,full

Author

N. J. A. Sloane, Apr 18 2009

Extensions

Zeroes inserted by Georg Fischer, Jul 15 2020

Status

approved