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A015430 Gaussian binomial coefficient [ n,12 ] for q=-7. 0
1, 12111126301, 171125943656551078651, 2361717858885719498568905414551, 32702835678888952715367233418017870232604, 452622410329553863939387656214689217248493781677804 (list; graph; refs; listen; history; internal format)
OFFSET

12,2

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, 12, -7) for n in xrange(12, 18)] # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), May 28 2009]

CROSSREFS

Sequence in context: A172587 A172581 A202361 * A135496 A113642 A034657

Adjacent sequences:  A015427 A015428 A015429 * A015431 A015432 A015433

KEYWORD

nonn,easy

AUTHOR

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

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Last modified February 14 23:53 EST 2012. Contains 205689 sequences.