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A015333 Gaussian binomial coefficient [ n,6 ] for q = -10. 2
1, 909091, 918273728191, 917356372736537191, 917448117456547208447191, 917438943076290926712489347191, 917439860515234003003416059680347191, 917439768771348869854580597622587770347191 (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..170

FORMULA

G.f.: x^6/((1-x)*(1+10*x)*(1-100*x)*(1+1000*x)*(1-10000*x)*(1+100000*x)*(1-1000000*x)). - Vincenzo Librandi, Oct 30 2012

MATHEMATICA

Table[QBinomial[n, 6, -10], {n, 6, 20}] (* Vincenzo Librandi, Oct 29 2012 *)

PROG

(Sage) [gaussian_binomial(n, 6, -10) for n in range(6, 14)] # Zerinvary Lajos, May 27 2009

CROSSREFS

Sequence in context: A250542 A251799 A179735 * A141461 A035793 A102503

Adjacent sequences:  A015330 A015331 A015332 * A015334 A015335 A015336

KEYWORD

nonn,easy

AUTHOR

Olivier Gérard, Dec 11 1999

STATUS

approved

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Last modified July 11 04:33 EDT 2020. Contains 335609 sequences. (Running on oeis4.)