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A014487 Weight distribution of [ 18,9,8 ] self-dual code over GF(4). +0
4
1, 0, 0, 0, 2754, 18360, 77112, 110160, 50949, 2808 (list; graph; listen)
OFFSET

0,5

REFERENCES

Y. Cheng and N. J. A. Sloane, The Automorphism Group of an [18,9,8] Quaternary Code, Discrete Math. 83 (1990), 205-212

F. J. MacWilliams, A. M. Odlyzko, N. J. A. Sloane and H. N. Ward, Self-Dual Codes over GF(4), J. Combin. Theory, A 25 288-318 1978.

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.

CROSSREFS

Cf. A109142.

Sequence in context: A050268 A117081 A164065 this_sequence A043665 A046332 A046380

Adjacent sequences: A014484 A014485 A014486 this_sequence A014488 A014489 A014490

KEYWORD

nonn,fini,full

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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