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A146894 Weight distribution of [60,30,12] double circulant code. 0
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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified July 25 10:07 EDT 2021. Contains 346289 sequences. (Running on oeis4.)