cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A015326 Gaussian binomial coefficient [ n,6 ] for q = -4.

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%I A015326 #20 Dec 07 2019 12:18:18
%S A015326 1,3277,14317213,57741320029,237435704507485,971588061067577437,
%T A015326 3980596286193864759389,16303527542855381993658461,
%U A015326 66780267552779682073190144093,273530932713230996784935699290205
%N A015326 Gaussian binomial coefficient [ n,6 ] for q = -4.
%D A015326 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.
%D A015326 I. P. Goulden and D. M. Jackson, Combinatorial Enumeration. Wiley, NY, 1983, p. 99.
%D A015326 M. Sved, Gaussians and binomials, Ars. Combinatoria, 17A (1984), 325-351.
%H A015326 Vincenzo Librandi, <a href="/A015326/b015326.txt">Table of n, a(n) for n = 6..200</a>
%H A015326 <a href="/index/Rec#order_07">Index entries for linear recurrences with constant coefficients</a>, signature (3277, 3578484, -902879040, -57784258560, 938078109696, 3518651957248, -4398046511104).
%F A015326 G.f.: x^6 / ( (x-1)*(4096*x-1)*(256*x-1)*(64*x+1)*(4*x+1)*(16*x-1)*(1024*x+1) ). - _R. J. Mathar_, Aug 04 2016
%t A015326 Table[QBinomial[n, 6, -4], {n, 6, 20}] (* _Vincenzo Librandi_, Oct 29 2012 *)
%o A015326 (Sage) [gaussian_binomial(n,6,-4) for n in range(6,16)] # _Zerinvary Lajos_, May 27 2009
%K A015326 nonn,easy
%O A015326 6,2
%A A015326 _Olivier Gérard_, Dec 11 1999