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A010080
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Weight distribution of [16,11,4] extended Hamming code of length 16.
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4
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OFFSET
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0,3
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REFERENCES
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F. J. MacWilliams and N. J. A. Sloane, The Theory of Error-Correcting Codes, Elsevier-North Holland, 1978, p. 129.
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LINKS
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EXAMPLE
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W(x,y) = y^16 + 140*y^12*x^4 + 448*y^10*x^6 + 870*y^8*x^8 + 448*y^6*x^10 + 140*y^4*x^12 + x^16.
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MATHEMATICA
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m:=15; rt=RecurrenceTable[{n*a[n]==Binomial[m, n-1]-a[n-1]-(m-n+2)*a[n-2],
a[0]==1, a[1]==0}, a, {n, 0, m}]; Join[{1}, Table[rt[[i]]+rt[[i+1]], {i, 2, m, 2}], {1}] (* Georg Fischer, Jul 16 2020 *)
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CROSSREFS
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KEYWORD
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nonn,fini,full
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AUTHOR
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STATUS
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approved
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