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

PROGRAM

(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: A157821 A106787 A105012 this_sequence A105175 A069376 A066703

Adjacent sequences: A015347 A015348 A015349 this_sequence A015351 A015352 A015353

KEYWORD

sign,easy

AUTHOR

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

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Last modified December 17 13:29 EST 2009. Contains 170826 sequences.


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