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A109479
Weight enumerator of [64,51,6] extended BCH code.
2
1, 0, 0, 20160, 1067544, 37051840, 801494400, 11684617344, 119266575708, 879321948288, 4789977429888, 19616032446528, 61193769988008, 146864398476096, 273137809339136, 395577405119232, 447418802536902, 395577405119232, 273137809339136, 146864398476096
OFFSET
0,4
LINKS
N. Heninger, E. M. Rains and N. J. A. Sloane, On the Integrality of n-th Roots of Generating Functions, arXiv:math/0509316 [math.NT], 2005-2006; J. Combinatorial Theory, Series A, 113 (2006), 1732-1745.
M. Terada, J. Asatani and T. Koumoto, Weight Distribution
EXAMPLE
x^64 + 20160*x^58*y^6 + 1067544*x^56*y^8 + 37051840*x^54*y^10 + 801494400*x^52*y^12 + 11684617344*x^50*y^14 + 119266575708*x^48*y^16 + 879321948288*x^46*y^18 + 4789977429888*x^44*y^20 + 19616032446528*x^42*y^22 + 61193769988008*x^40*y^24 + 146864398476096*x^38*y^26 + 273137809339136*x^36*y^28 + 395577405119232*x^34*y^30 + 447418802536902*x^32*y^32 + 395577405119232*x^30*y^34 + 273137809339136*x^28*y^36 + 146864398476096*x^26*y^38 + 61193769988008*x^24*y^40 + 19616032446528*x^22*y^42 + 4789977429888*x^20*y^44 + 879321948288*x^18*y^46 + 119266575708*x^16*y^48 + 11684617344*x^14*y^50 + 801494400*x^12*y^52 + 37051840*x^10*y^54 + 1067544*x^8*y^56 + 20160*x^6*y^58 + y^64.
CROSSREFS
Cf. A109480.
Sequence in context: A348346 A145535 A190474 * A003808 A011786 A003801
KEYWORD
nonn,fini,full
AUTHOR
STATUS
approved