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A082961 Number of inequivalent optimal Hermitian formally self-dual but not self-dual codes of length 2n over GF(4). 2
0, 1, 0, 10, 4, 1, 594, 3, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

REFERENCES

T. A. Gulliver, P. R. J. Ostergard 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.

CROSSREFS

Cf. A082960, A082959.

Sequence in context: A097530 A063565 A177390 * A065194 A113315 A081986

Adjacent sequences:  A082958 A082959 A082960 * A082962 A082963 A082964

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, May 27 2003

STATUS

approved

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Last modified October 16 15:31 EDT 2019. Contains 328101 sequences. (Running on oeis4.)