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Sum of (Gaussian) q-binomial coefficients for q=-13.
1

%I #9 Nov 01 2012 11:24:22

%S 1,2,-10,316,22612,9070184,-8377559560,43763281573552,

%T 525766973409879184,35700104721503125675808,

%U -5575424140185495445892279200,4921551444873804590294004874254784

%N Sum of (Gaussian) q-binomial coefficients for q=-13.

%H Vincenzo Librandi, <a href="/A015178/b015178.txt">Table of n, a(n) for n = 0..60</a>

%t Total/@Table[QBinomial[n, m, -13], {n, 0, 20}, {m, 0, n}] (* _Vincenzo Librandi_, Nov 01 2012 *)

%K sign

%O 0,2

%A _Olivier GĂ©rard_