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A015377 Gaussian binomial coefficient [ n,9 ] for q=-5. +0
1
1, -1627604, 3311368882921, -6416187820400919704, 12551699566292514833249671, -24507195908707737696414306347204, 47868680606322065338648160779243199671 (list; graph; listen)
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.

PROGRAM

(Other) sage: [gaussian_binomial(n, 9, -5) for n in xrange(9, 16)] # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), May 25 2009]

CROSSREFS

Sequence in context: A103793 A064117 A015334 this_sequence A144127 A072922 A061127

Adjacent sequences: A015374 A015375 A015376 this_sequence A015378 A015379 A015380

KEYWORD

sign,easy

AUTHOR

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

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.


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