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A109477 Weight enumerator of [32,11,10] extended BCH code. 1
1, 0, 0, 496, 1054, 496, 0, 0, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

LINKS

Table of n, a(n) for n=0..8.

N. Heninger, E. M. Rains and N. J. A. Sloane, On the Integrality of n-th Roots of Generating Functions, J. Combinatorial Theory, Series A, 113 (2006), 1732-1745.

M. Terada, J. Asatani and T. Koumoto, Weight Distribution

EXAMPLE

x^32 + 496*x^20*y^12 + 1054*x^16*y^16 + 496*x^12*y^20 + y^32.

PROG

(MAGMA) C := BCHCode(GF(2), 31, 9); D:=ExtendCode(C); W<x, y>:=WeightEnumerator(D);

CROSSREFS

Sequence in context: A179170 A345351 A157447 * A302366 A303083 A302888

Adjacent sequences:  A109474 A109475 A109476 * A109478 A109479 A109480

KEYWORD

nonn,fini,full

AUTHOR

N. J. A. Sloane and Nadia Heninger, Aug 29 2005

STATUS

approved

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Last modified January 20 13:06 EST 2022. Contains 350472 sequences. (Running on oeis4.)