Search: id:A015429
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%I A015429
%S A015429 1,1865813431,4177511710786827427,9051628015237517688012698587,
%T A015429 19718638974813744289323111717093729163,
%U A015429 42917665763197914342331213431251480044434903403
%N A015429 Gaussian binomial coefficient [ n,12 ] for q=-6.
%D A015429 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 A015429 I. P. Goulden and D. M. Jackson, Combinatorial Enumeration. Wiley, NY, 
               1983, p, 99.
%D A015429 M. Sved, Gaussians and binomials, Ars. Combinatoria, 17A (1984), 325-351.
%o A015429 (Other) sage: [gaussian_binomial(n,12,-6) for n in xrange(12,18)] # [From 
               Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), May 28 2009]
%Y A015429 Sequence in context: A090874 A071371 A052094 this_sequence A103752 A105383 
               A165075
%Y A015429 Adjacent sequences: A015426 A015427 A015428 this_sequence A015430 A015431 
               A015432
%K A015429 nonn,easy
%O A015429 12,2
%A A015429 Olivier Gerard (olivier.gerard(AT)gmail.com)

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