%I #8 Oct 23 2012 17:41:39
%S 1,2,-1,28,121,7382,-109261,30010768,1850263021,1970456206922,
%T -481096287226201,2065208924598783748,2021994980843488552801,
%U 34652498137874270655807422,-135624483203827510877656066021
%N Sum of (Gaussian) q-binomial coefficients for q=-4.
%H Vincenzo Librandi, <a href="/A015155/b015155.txt">Table of n, a(n) for n = 0..80</a>
%t Total/@Table[QBinomial[n, m, -4], {n, 0, 20}, {m, 0, n}] (* _Vincenzo Librandi_, Oct 23 2012 *)
%K sign
%O 0,2
%A _Olivier GĂ©rard_
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