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A030331 Weight distribution of hypothetical [ 24,12,10 ] trace-self-dual additive code over GF(4). 0
1, 0, 0, 0, 0, 18216, 156492, 1147608, 3736557, 6248088, 4399164, 1038312, 32778 (list; graph; refs; listen; history; text; internal format)
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

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Last modified November 12 17:06 EST 2019. Contains 329058 sequences. (Running on oeis4.)