A109477 Weight enumerator of [32,11,10] extended BCH code.

1, 0, 0, 496, 1054, 496, 0, 0, 1

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