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A015349 Gaussian binomial coefficient [ n,7 ] for q=-9. +0
1
1, -4304672, 20846476694116, -99571465386311288480, 476319830905927777714449130, -2278184404047301621409794099651808, 10896505884544222754038383150470776581556 (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, -9) for n in xrange(7, 14)] # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), May 27 2009]

CROSSREFS

Sequence in context: A013970 A036100 A159714 this_sequence A019288 A105649 A015337

Adjacent sequences: A015346 A015347 A015348 this_sequence A015350 A015351 A015352

KEYWORD

sign,easy

AUTHOR

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

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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.


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