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A082960 Number of inequivalent optimal Hermitian self-dual codes of length 2n over GF(4). 2
1, 0, 1, 1, 0, 0, 1, 0, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

REFERENCES

T. A. Gulliver, Patric R. J. Östergård and N. I. Senkevitch, Optimal quaternary linear rate-1/2 codes of length <= 18, IEEE Trans. Info. Theory, 49 (No. 6, 2003), 1540-1543.

LINKS

Table of n, a(n) for n=1..9.

E. M. Rains and N. J. A. Sloane, Self-dual codes, pp. 177-294 of Handbook of Coding Theory, Elsevier, 1998; see Section 11.5 (Abstract, pdf, ps).

CROSSREFS

Cf. A082959, A082961.

Sequence in context: A138709 A227998 A266514 * A320815 A167683 A266502

Adjacent sequences:  A082957 A082958 A082959 * A082961 A082962 A082963

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, May 27 2003

STATUS

approved

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Last modified July 4 15:25 EDT 2020. Contains 335448 sequences. (Running on oeis4.)