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Search: id:A109485
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| A109485 |
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Weight enumerator of [64,36,12] extended BCH code. |
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+0
1
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| 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; listen)
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OFFSET
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0,7
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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.
M. Terada, J. Asatani and T. Koumoto, Weight Distribution
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EXAMPLE
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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
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CROSSREFS
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Sequence in context: A027665 A113286 A027687 this_sequence A156429 A134118 A071124
Adjacent sequences: A109482 A109483 A109484 this_sequence A109486 A109487 A109488
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KEYWORD
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nonn,fini,full
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com) and Nadia Heninger, Aug 29 2005
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