A082961 - OEIS

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A082961

Number of inequivalent optimal Hermitian formally self-dual but not self-dual codes of length 2n over GF(4).

%I #7 Feb 02 2020 21:27:21

%S 0,1,0,10,4,1,594,3,0

%N Number of inequivalent optimal Hermitian formally self-dual but not self-dual codes of length 2n over GF(4).

%D 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.

%Y Cf. A082960, A082959.

%K nonn

%O 1,4

%A _N. J. A. Sloane_, May 27 2003