A010463 Weight distribution of [32,21,6] BCH code.

1, 0, 0, 992, 10540, 60512, 228160, 446400, 603942, 446400, 228160, 60512, 10540, 992, 0, 0, 1

Offset

0,4

Links

Table of n, a(n) for n=0..16.

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 + 992*x^26*y^6 + 10540*x^24*y^8 + 60512*x^22*y^10 + 228160*x^20*y^12 +
446400*x^18*y^14 + 603942*x^16*y^16 + 446400*x^14*y^18 + 228160*x^12*y^20 +
60512*x^10*y^22 + 10540*x^8*y^24 + 992*x^6*y^26 + y^32.

Crossrefs

Cf. A109476.

Sequence in context: A237991 A158683 A030645 * A183973 A181601 A181707

Adjacent sequences: A010460 A010461 A010462 * A010464 A010465 A010466

Keyword

nonn,fini,full

Author

N. J. A. Sloane.

Status

approved