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A109485 Weight enumerator of [64,36,12] extended BCH code. 0
1, 0, 0, 0, 0, 0, 30240, 354816, 3583020, 27105792, 145061280, 603113472, 1853011776, 4517259264, 8269968448, 12166253568, 13547993382, 12166253568, 8269968448, 4517259264, 1853011776, 603113472, 145061280, 27105792, 3583020, 354816, 30240, 0, 0, 0, 0, 0, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,7

LINKS

Table of n, a(n) for n=0..32.

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^64 + 30240*x^52*y^12 + 354816*x^50*y^14 + 3583020*x^48*y^16 + 27105792*x^46*y^18

+ 145061280*x^44*y^20 + 603113472*x^42*y^22 + 1853011776*x^40*y^24 +

4517259264*x^38*y^26 + 8269968448*x^36*y^28 + 12166253568*x^34*y^30 +

13547993382*x^32*y^32 + 12166253568*x^30*y^34 + 8269968448*x^28*y^36 +

4517259264*x^26*y^38 + 1853011776*x^24*y^40 + 603113472*x^22*y^42 +

145061280*x^20*y^44 + 27105792*x^18*y^46 + 3583020*x^16*y^48 +

354816*x^14*y^50 + 30240*x^12*y^52 + y^64

CROSSREFS

Sequence in context: A190475 A218029 A323991 * A156429 A171263 A233731

Adjacent sequences: A109482 A109483 A109484 * A109486 A109487 A109488

KEYWORD

nonn,fini,full

AUTHOR

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

STATUS

approved

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Last modified December 2 20:59 EST 2022. Contains 358510 sequences. (Running on oeis4.)