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Search: id:A109477
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| A109477 |
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Weight enumerator of [32,11,10] extended BCH code. |
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+0
2
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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.
M. Terada, J. Asatani and T. Koumoto, Weight Distribution
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EXAMPLE
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x^32 + 496*x^20*y^12 + 1054*x^16*y^16 + 496*x^12*y^20 + y^32.
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PROGRAM
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(MAGMA) C := BCHCode(GF(2), 31, 9); D:=ExtendCode(C); W<x, y>:=WeightEnumerator(D);
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CROSSREFS
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Sequence in context: A133352 A140913 A157447 this_sequence A110847 A160472 A028512
Adjacent sequences: A109474 A109475 A109476 this_sequence A109478 A109479 A109480
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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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