%I #8 Nov 02 2012 02:23:04

%S 1,2,-15,616,88727,64842054,-167526104555,2205087348216932,

%T 102567247433719984179,24300180776276754627424258,

%U -20345117815692779870091092223535

%N Sum of (Gaussian) q-binomial coefficients for q=-18.

%H Vincenzo Librandi, <a href="/A015185/b015185.txt">Table of n, a(n) for n = 0..50</a>

%t Total/@Table[QBinomial[n, m, -18], {n, 0, 20}, {m, 0, n}] (* _Vincenzo Librandi_, Nov 01 2012 *)

%K sign

%O 0,2

%A _Olivier Gérard_