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A015336
Gaussian binomial coefficient [ n,6 ] for q = -12.
2
1, 2756293, 8287800951445, 24732928003956401365, 73855689005170238163929557, 220531019414004693731359534452181, 658502316004926805411433599481195683285
OFFSET
6,2
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.
LINKS
MATHEMATICA
Table[QBinomial[n, 6, -12], {n, 6, 10}] (* Vincenzo Librandi, Oct 29 2012 *)
PROG
(Sage) [gaussian_binomial(n, 6, -12) for n in range(6, 13)] # Zerinvary Lajos, May 27 2009
CROSSREFS
Sequence in context: A251350 A238070 A306634 * A251835 A295471 A316487
KEYWORD
nonn,easy
AUTHOR
Olivier Gérard, Dec 11 1999
STATUS
approved