A015336 Gaussian binomial coefficient [ n,6 ] for q = -12.

1, 2756293, 8287800951445, 24732928003956401365, 73855689005170238163929557, 220531019414004693731359534452181, 658502316004926805411433599481195683285

Offset: 6

Author

Olivier Gérard, Dec 11 1999

Keywords

• nonn
• easy

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

• Vincenzo Librandi, Table of n, a(n) for n = 6..100

Programs

Mathematica

Table[QBinomial[n, 6, -12], {n, 6, 10}] (* Vincenzo Librandi, Oct 29 2012 *)

Sage

[gaussian_binomial(n,6,-12) for n in range(6,13)] # Zerinvary Lajos, May 27 2009