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A015378 Gaussian binomial coefficient [ n,9 ] for q=-6. 0
1, -8638025, 89538572808355, -898184256176675135525, 9058617560471271225871839115, -91278255494743382265330154281509525, 919894226814090294609303909820267635374635 (list; graph; refs; listen; history; internal format)
OFFSET

9,2

REFERENCES

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.

PROG

(Other) sage: [gaussian_binomial(n, 9, -6) for n in xrange(9, 16)] # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), May 25 2009]

CROSSREFS

Sequence in context: A081639 A141137 A184150 * A151936 A186824 A179577

Adjacent sequences:  A015375 A015376 A015377 * A015379 A015380 A015381

KEYWORD

sign,easy

AUTHOR

Olivier Gerard (olivier.gerard(AT)gmail.com)

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Last modified February 15 11:03 EST 2012. Contains 205763 sequences.