Search: id:A015347
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%I A015347
%S A015347 1,1864135,3971428035705,8312452980450674055,
%T A015347 17436734410124346225937017,36566366524181816928510601278855,
%U A015347 76685521221108550544352295253436844665
%V A015347 1,-1864135,3971428035705,-8312452980450674055,
%W A015347 17436734410124346225937017,-36566366524181816928510601278855,
%X A015347 76685521221108550544352295253436844665
%N A015347 Gaussian binomial coefficient [ n,7 ] for q=-8.
%D A015347 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 A015347 I. P. Goulden and D. M. Jackson, Combinatorial Enumeration. Wiley, NY, 
               1983, p, 99.
%D A015347 M. Sved, Gaussians and binomials, Ars. Combinatoria, 17A (1984), 325-351.
%o A015347 (Other) sage: [gaussian_binomial(n,7,-8) for n in xrange(7,14)] # [From 
               Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), May 27 2009]
%Y A015347 Sequence in context: A145537 A147525 A115495 this_sequence A145276 A064820 
               A032595
%Y A015347 Adjacent sequences: A015344 A015345 A015346 this_sequence A015348 A015349 
               A015350
%K A015347 sign,easy
%O A015347 7,2
%A A015347 Olivier Gerard (olivier.gerard(AT)gmail.com)

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