Search: id:A006113
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%I A006113 M5479
%S A006113 1,781,508431,320327931,200525284806,125368356709806,78360229974772306,
%T A006113 48975769621072897306,30609934249224268600431,19131218685276848401412931
%N A006113 Gaussian binomial coefficient [ n,4 ] for q=5.
%D A006113 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 A006113 I. P. Goulden and D. M. Jackson, Combinatorial Enumeration. Wiley, NY, 
               1983, p, 99.
%D A006113 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A006113 M. Sved, Gaussians and binomials, Ars. Combinatoria, 17A (1984), 325-351.
%o A006113 (Other) sage: [gaussian_binomial(n,4,5) for n in xrange(4,14)] # [From 
               Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), May 27 2009]
%Y A006113 Sequence in context: A020231 A038477 A141390 this_sequence A158398 A003914 
               A045074
%Y A006113 Adjacent sequences: A006110 A006111 A006112 this_sequence A006114 A006115 
               A006116
%K A006113 easy,nonn,more
%O A006113 4,2
%A A006113 N. J. A. Sloane (njas(AT)research.att.com).

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