A146947 Weight distribution of [168,84,24] double circulant code.

1, 0, 0, 0, 0, 0, 571704, 17008194, 5507510484, 1252615755636, 166058829151929, 13047194638256310, 629048483051035008, 19087129808556584960, 372099697089030127616, 4739291490433882914816

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 571704
28 17008194
32 5507510484
36 1252615755636
40 166058829151929
44 13047194638256310
48 629048483051035008
52 19087129808556584960
56 372099697089030127616
60 4739291490433882914816
64 39973673426117373984768
68 225696677517789489004544
72 860241109321000232681472
76 2227390682939806405623808
80 3935099587279668738260992
84 4755747411704650296983552
88 3935099587279668738260992
92 2227390682939806405623808
96 860241109321000232681472
100 225696677517789489004544
104 39973673426117373984768
108 4739291490433882914816
112 372099697089030127616
116 19087129808556584960
120 629048483051035008
124 13047194638256310
128 166058829151929
132 1252615755636
136 5507510484
140 17008194
144 571704
168 1

Crossrefs

Sequence in context: A121169 A237173 A090061 * A206106 A232350 A213965

Adjacent sequences: A146944 A146945 A146946 * A146948 A146949 A146950

Keyword

nonn,fini

Author

N. J. A. Sloane, Apr 20 2009

Status

approved