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Search: id:A097937
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| A097937 |
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Weight distribution of [138,69,22] binary extended quadratic-residue (or QR) code. |
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+0
1
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| 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 321402, 2356948, 21533934, 490138050, 6648307504, 77865259035, 771068968365, 6551964560395, 48016671847203, 304734017875437, 1682222779056949, 8108674129521168
(list; graph; listen)
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OFFSET
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0,12
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COMMENT
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Taken from the Tjhai-Tomlinson web site.
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LINKS
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C. J. Tjhai and Martin Tomlinson, Weight Distributions of Quadratic Residue and Quadratic Double Circulant Codes over GF(2)
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EXAMPLE
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The weight distribution is:
i A_i
0 1
22 321402
24 2356948
26 21533934
28 490138050
30 6648307504
32 77865259035
34 771068968365
36 6551964560395
38 48016671847203
40 304734017875437
42 1682222779056949
44 8108674129521168
46 34244594187642952
48 127081843539044176
50 415479348655935232
52 1199437032565603072
54 3063553566175154176
56 6934772281891681280
58 13932469221702236160
60 24873788403009712128
62 39500790442042376192
64 55841886989113688064
66 70316519062819815424
68 78897731337990193152
70 78897731337990193152
72 70316519062819815424
74 55841886989113688064
76 39500790442042376192
78 24873788403009712128
80 13932469221702236160
82 6934772281891681280
84 3063553566175154176
86 1199437032565603072
88 415479348655935232
90 127081843539044176
92 34244594187642952
94 8108674129521168
96 1682222779056949
98 304734017875437
100 48016671847203
102 6551964560395
104 771068968365
106 77865259035
108 6648307504
110 490138050
112 21533934
114 2356948
116 321402
138 1
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CROSSREFS
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Sequence in context: A104826 A092014 A153749 this_sequence A114667 A015360 A134359
Adjacent sequences: A097934 A097935 A097936 this_sequence A097938 A097939 A097940
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KEYWORD
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nonn,fini
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Apr 02 2009
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