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

PROGRAM

(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: A095426 A038453 A109551 this_sequence A135496 A113642 A034657

Adjacent sequences: A015427 A015428 A015429 this_sequence A015431 A015432 A015433

KEYWORD

nonn,easy

AUTHOR

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

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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