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Sum of (Gaussian) q-binomial coefficients for q=-6.
1

%I #7 Nov 01 2012 07:54:41

%S 1,2,-3,64,779,84438,-5889407,3927676076,1656518279511,

%T 6600296688949762,-16680688702495266643,399061333268551884767064,

%U 6052502892664968398280203779,868681765846316883728697065421998,-79048150954572853311144873191795246247

%N Sum of (Gaussian) q-binomial coefficients for q=-6.

%H Vincenzo Librandi, <a href="/A015169/b015169.txt">Table of n, a(n) for n = 0..70</a>

%t Total/@Table[QBinomial[n, m, -6], {n, 0, 15}, {m, 0, n}] (* _Vincenzo Librandi_, Oct 31 2012 *)

%K sign

%O 0,2

%A _Olivier GĂ©rard_