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 A015327 Gaussian binomial coefficient [ n,6 ] for q = -5. 2
 1, 13021, 211929796, 3285123767796, 51412313316921546, 803060432690378496546, 12548622321219854387027796, 196069714237340352552410777796, 3063597127265150338968694860387171 (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..200 Index entries for linear recurrences with constant coefficients, signature (13021, 42383355, -26287771375, -3285971421875, 82779990234375, 397369384765625, -476837158203125). FORMULA G.f.: x^6 /((x-1)*(5*x+1)*(25*x-1)*(625*x-1)*(125*x+1)*(15625*x-1)*(3125*x+1)). - R. J. Mathar, Sep 02 2016 MATHEMATICA Table[QBinomial[n, 6, -5], {n, 6, 20}] (* Vincenzo Librandi, Oct 29 2012 *) PROG (Sage) [gaussian_binomial(n, 6, -5) for n in range(6, 15)] # Zerinvary Lajos, May 27 2009 CROSSREFS Sequence in context: A138762 A139777 A031633 * A210016 A079230 A262659 Adjacent sequences:  A015324 A015325 A015326 * A015328 A015329 A015330 KEYWORD nonn,easy AUTHOR Olivier Gérard, Dec 11 1999 STATUS approved

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Last modified January 18 17:18 EST 2022. Contains 350455 sequences. (Running on oeis4.)