A030331 Weight distribution of hypothetical [ 24,12,10 ] trace-self-dual additive code over GF(4).

1, 0, 0, 0, 0, 18216, 156492, 1147608, 3736557, 6248088, 4399164, 1038312, 32778

Offset

0,6

Links

Table of n, a(n) for n=0..12.

A. R. Calderbank, E. M. Rains, P. W. Shor and N. J. A. Sloane, Quantum error correction via codes over GF(4), IEEE Trans. Inform. Theory, 44 (1998), 1369-1387.

G. Nebe, E. M. Rains and N. J. A. Sloane, Self-Dual Codes and Invariant Theory, Springer, Berlin, 2006.

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

Example

x^24+18216*x^14*y^10+156492*x^12*y^12+1147608*x^10*y^14+3736557*x^8*y^16+6248088*x^6*y^18+4399164*x^4*y^20+1038312*x^2*y^22+32778*y^24.

Crossrefs

Sequence in context: A172936 A025029 A230948 * A023340 A232142 A237737

Adjacent sequences: A030328 A030329 A030330 * A030332 A030333 A030334

Keyword

nonn,fini,full

Author

N. J. A. Sloane.

Status

approved