A014487 Weight distribution of [ 18,9,8 ] self-dual code over GF(4).

1, 0, 0, 0, 2754, 18360, 77112, 110160, 50949, 2808

Offset

0,5

Links

Table of n, a(n) for n=0..9.

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

N. Heninger, E. M. Rains and N. J. A. Sloane, On the Integrality of n-th Roots of Generating Functions, arXiv:math/0509316 [math.NT], 2005-2006; J. Combinatorial Theory, Series A, 113 (2006), 1732-1745.

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.

Crossrefs

Cf. A109142.

Sequence in context: A050268 A117081 A164065 * A260978 A043665 A198451

Adjacent sequences: A014484 A014485 A014486 * A014488 A014489 A014490

Keyword

nonn,fini,full

Author

N. J. A. Sloane.

Status

approved