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A015303 Gaussian binomial coefficient [ n,4 ] for q=-13. 0
1, 26521, 761974851, 21752862899691, 621305270140974342, 17745052029585350965782, 506816536013640476467362442, 14475186854407942097510802411322 (list; graph; refs; listen; history; internal format)
OFFSET

4,2

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, 4, -13) for n in xrange(4, 12)] # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), May 27 2009]

CROSSREFS

Sequence in context: A004046 A107119 A206539 * A046710 A196937 A185774

Adjacent sequences:  A015300 A015301 A015302 * A015304 A015305 A015306

KEYWORD

nonn,easy

AUTHOR

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

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Last modified February 16 21:51 EST 2012. Contains 205978 sequences.