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A028241 Weight distribution of (256,2^240,6) Preparata code. 1
1, 0, 0, 11606784, 12488692320, 8509435758336, 3885171732897280, 1265714256525580800, 307579088363780015856, 57656001868130930526720, 8558274844383035735717376, 1027363469418768308971019520 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

REFERENCES

F. J. MacWilliams and N. J. A. Sloane, The Theory of Error-Correcting Codes, Elsevier-North Holland, 1978, p. 471.

LINKS

Table of n, a(n) for n=0..11.

A. R. Hammons, Jr., P. V. Kumar, A. R. Calderbank, N. J. A. Sloane and P. Solé, The Z_4 linearity of Kerdock, Preparata, Goethals and related codes, IEEE Trans. Inform. Theory, 40 (1994), 301-319.

CROSSREFS

Sequence in context: A072142 A043674 A141281 * A248166 A234070 A228978

Adjacent sequences:  A028238 A028239 A028240 * A028242 A028243 A028244

KEYWORD

nonn,fini

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified December 4 13:06 EST 2021. Contains 349526 sequences. (Running on oeis4.)