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 A015332 Gaussian binomial coefficient [ n,6 ] for q = -9. 2
 1, 478297, 257363962948, 136586400868021924, 72598678627860564552010, 38581260992855637306941215162, 20503702504565185601675453268123604, 10896505884544222754038383150470776581556 (list; graph; refs; listen; history; text; internal format)
 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 Vincenzo Librandi, Table of n, a(n) for n = 6..180 FORMULA G.f.: x^6/((1-x)*(1+9*x)*(1-81*x)*(1+729*x)*(1-6561*x)*(1+59049*x)*(1-531441*x)). - Vincenzo Librandi, Oct 30 2012 MATHEMATICA Table[QBinomial[n, 6, -9], {n, 6, 20}] (* Vincenzo Librandi, Oct 29 2012 *) PROG (Sage) [gaussian_binomial(n, 6, -9) for n in xrange(6, 14)] # Zerinvary Lajos, May 27 2009 CROSSREFS Sequence in context: A244628 A290050 A244086 * A238178 A250714 A203503 Adjacent sequences:  A015329 A015330 A015331 * A015333 A015334 A015335 KEYWORD nonn,easy AUTHOR Olivier Gérard, Dec 11 1999 STATUS approved

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Last modified October 21 20:44 EDT 2019. Contains 328315 sequences. (Running on oeis4.)