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%I #7 Nov 01 2012 07:54:47
%S 1,2,-2,44,340,28136,-1006568,437583728,79514299024,171089734764320,
%T -154959265326020384,1670488101437425694912,7569711508409229239910208,
%U 407849146892525224567929125504,-9239554802939536369959859006659200
%N Sum of (Gaussian) q-binomial coefficients for q=-5.
%H Vincenzo Librandi, <a href="/A015167/b015167.txt">Table of n, a(n) for n = 0..70</a>
%t Total/@Table[QBinomial[n, m, -5], {n, 0, 20}, {m, 0, n}] (* _Vincenzo Librandi_, Oct 31 2012 *)
%K sign
%O 0,2
%A _Olivier Gérard_
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