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Search: id:A109479
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| A109479 |
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Weight enumerator of [64,51,6] extended BCH code. |
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+0
2
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| 1, 0, 0, 20160, 1067544, 37051840, 801494400, 11684617344, 119266575708, 879321948288, 4789977429888, 19616032446528, 61193769988008, 146864398476096, 273137809339136, 395577405119232, 447418802536902, 395577405119232, 273137809339136, 146864398476096
(list; graph; listen)
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OFFSET
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0,4
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LINKS
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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.
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EXAMPLE
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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
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CROSSREFS
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Adjacent sequences: A109476 A109477 A109478 this_sequence A109480 A109481 A109482
Sequence in context: A081866 A090072 A035926 this_sequence A003808 A011786 A003801
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KEYWORD
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nonn,fini
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AUTHOR
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njas and Nadia Heninger, Aug 29 2005
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