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Search: id:A015276
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| A015276 |
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Gaussian binomial coefficient [ n,3 ] for q=-8. |
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+0
1
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| 1, -455, 236665, -120935815, 61934287481, -31709385606535, 16235267484138105, -8312452980450674055, 4255976180162154314361, -2179059787976052939572615, 1115678612484825190455949945, -571227449525600988055816521095
(list; graph; listen)
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OFFSET
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3,2
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REFERENCES
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J. Goldman and G.-C. Rota, The number of subspaces of a vector space, pp. 75-83 of W. T. Tutte, editor, Recent Progress in Combinatorics. Academic Press, NY, 1969.
I. P. Goulden and D. M. Jackson, Combinatorial Enumeration. Wiley, NY, 1983, p, 99.
M. Sved, Gaussians and binomials, Ars. Combinatoria, 17A (1984), 325-351.
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PROGRAM
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(Other) sage: [gaussian_binomial(n, 3, -8) for n in xrange(3, 15)] # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), May 27 2009]
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CROSSREFS
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Sequence in context: A123563 A043475 A061544 this_sequence A145528 A116331 A099650
Adjacent sequences: A015273 A015274 A015275 this_sequence A015277 A015278 A015279
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KEYWORD
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sign,easy
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AUTHOR
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Olivier Gerard (olivier.gerard(AT)gmail.com)
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