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A109487 Weight enumerator of [64,24,16] extended BCH code. 0
1, 0, 0, 0, 0, 0, 0, 0, 2604, 10752, 0, 216576, 291648, 1645056, 888832, 4419072, 1828134, 4419072, 888832, 1645056, 291648, 216576, 0, 10752, 2604, 0, 0, 0, 0, 0, 0, 0, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,9
LINKS
N. Heninger, E. M. Rains and N. J. A. Sloane, On the Integrality of n-th Roots of Generating Functions, J. Combinatorial Theory, Series A, 113 (2006), 1732-1745.
M. Terada, J. Asatani and T. Koumoto, Weight Distribution
EXAMPLE
x^64 + 2604*x^48*y^16 + 10752*x^46*y^18 + 216576*x^42*y^22 + 291648*x^40*y^24 +
1645056*x^38*y^26 + 888832*x^36*y^28 + 4419072*x^34*y^30 + 1828134*x^32*y^32 +
4419072*x^30*y^34 + 888832*x^28*y^36 + 1645056*x^26*y^38 + 291648*x^24*y^40 +
216576*x^22*y^42 + 10752*x^18*y^46 + 2604*x^16*y^48 + y^64
The weight distribution is:
0 1
16 2604
18 10752
22 216576
24 291648
26 1645056
28 888832
30 4419072
32 1828134
34 4419072
36 888832
38 1645056
40 291648
42 216576
46 10752
48 2604
64 1
CROSSREFS
Sequence in context: A031549 A031729 A001726 * A015309 A212083 A236889
KEYWORD
nonn,fini,full
AUTHOR
N. J. A. Sloane and Nadia Heninger, Aug 29 2005
STATUS
approved

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Last modified March 19 01:57 EDT 2024. Contains 370952 sequences. (Running on oeis4.)