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A015350 Gaussian binomial coefficient [ n,7 ] for q=-10. 0
1, -9090909, 91827363728191, -917356280909173462809, 9174480257209191175298447191, -91743885133148835462057759420652809, 917439768771348869854580597622587770347191 (list; graph; refs; listen; history; internal format)
OFFSET

7,2

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, 7, -10) for n in xrange(7, 14)] # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), May 27 2009]

CROSSREFS

Sequence in context: A106787 A105012 A186139 * A172620 A172711 A187675

Adjacent sequences:  A015347 A015348 A015349 * A015351 A015352 A015353

KEYWORD

sign,easy

AUTHOR

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

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Last modified February 17 13:28 EST 2012. Contains 206031 sequences.