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A015346 Gaussian binomial coefficient [ n,7 ] for q=-7. 0
1, -720600, 605808540100, -497459062806004200, 409849628721453245181802, -337508711324786004755672161800, 277955299234477922983349122651265300, -228907863042160417649553303166468327692600 (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, -7) for n in xrange(7, 15)] # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), May 27 2009]

CROSSREFS

Sequence in context: A114675 A102501 A204403 * A190932 A153580 A153581

Adjacent sequences:  A015343 A015344 A015345 * A015347 A015348 A015349

KEYWORD

sign,easy

AUTHOR

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

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Last modified February 17 16:33 EST 2012. Contains 206050 sequences.