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A022257
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Gaussian binomial coefficients [ n,6 ] for q = 9.
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1
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1, 597871, 321704819164, 171201975319325044, 90997618413507253345810, 48360684318187059842589436510, 25700898795425967456865415317747420, 13658514212390616911370927114097728660820, 7258694620170400715835032365617891585605600635
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OFFSET
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6,2
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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. 698.
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LINKS
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FORMULA
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a(n) = Product_{i=1..6} (9^(n-i+1)-1)/(9^i-1), by definition. - Vincenzo Librandi, Aug 04 2016
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MATHEMATICA
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PROG
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(Sage) [gaussian_binomial(n, 6, 9) for n in range(6, 15)] # Zerinvary Lajos, May 27 2009
(Magma) r:=6; q:=9; [&*[(1-q^(n-i+1))/(1-q^i): i in [1..r]]: n in [r..20]]; // Vincenzo Librandi, Aug 04 2016
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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