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A080477 Weight distribution of [120,60,20] double circulant code. 0
1, 0, 0, 0, 0, 71862, 38266515, 6114942900, 475562216745, 18824858869630, 397449398883096, 4630515150103920, 30531593455793640, 116023986363853264, 257257754706576192, 335200293307691456 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,6

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

20 71862

24 38266515

28 6114942900

32 475562216745

36 18824858869630

40 397449398883096

44 4630515150103920

48 30531593455793640

52 116023986363853264

56 257257754706576192

60 335200293307691456

64 257257754706576192

68 116023986363853264

72 30531593455793640

76 4630515150103920

80 397449398883096

84 18824858869630

88 475562216745

92 6114942900

96 38266515

100 71862

120 1

CROSSREFS

Sequence in context: A025292 A025310 A187312 * A234330 A187137 A185842

Adjacent sequences:  A080474 A080475 A080476 * A080478 A080479 A080480

KEYWORD

nonn,fini

AUTHOR

N. J. A. Sloane, Apr 19 2009

STATUS

approved

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Last modified June 24 04:38 EDT 2019. Contains 324318 sequences. (Running on oeis4.)