A015145 - OEIS

%I #4 Mar 30 2012 17:20:37

%S 1,1,1,1,-19,1,1,381,381,1,1,-7619,152781,-7619,1,1,152381,61104781,

%T 61104781,152381,1,1,-3047619,24442064781,-488777143219,24442064781,

%U -3047619,1,1,60952381,9776822864781,3910241587816781,3910241587816781

%N Triangle of (Gaussian) q-binomial coefficients for q=-20.

%K sign,tabl,easy

%O 0,5

%A _Olivier Gérard_