The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A015331 Gaussian binomial coefficient [ n,6 ] for q = -8. 2
 1, 233017, 62053592185, 16235267484138105, 4257017266254230145657, 1115917479276007905665796729, 292532187604809092430760283523705, 76685521221108550544352295253436844665 (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..190 Ji Young Choi, A Generalization of Collatz Functions and Jacobsthal Numbers, J. Int. Seq., Vol. 21 (2018), Article 18.5.4. FORMULA G.f.: x^6/((1-x)*(1+8*x)*(1-64*x)*(1+512*x)*(1-4096*x)*(1+32768*x)*(1-262144*x)). - Vincenzo Librandi, Oct 30 2012 MATHEMATICA QBinomial[Range[6, 15], 6, -8] (* Harvey P. Dale, Nov 25 2011 *) Table[QBinomial[n, 6, -8], {n, 6, 20}] (* Vincenzo Librandi, Oct 29 2012 *) PROG (Sage) [gaussian_binomial(n, 6, -8) for n in range(6, 14)] # Zerinvary Lajos, May 27 2009 CROSSREFS Sequence in context: A128484 A257638 A116463 * A250697 A250682 A238500 Adjacent sequences:  A015328 A015329 A015330 * A015332 A015333 A015334 KEYWORD nonn,easy AUTHOR Olivier Gérard, Dec 11 1999 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified January 26 05:13 EST 2022. Contains 350572 sequences. (Running on oeis4.)