918191domain: NAppears in sequencesTriangle of q-binomial coefficients for q=-10.at n=17A015123Triangle of q-binomial coefficients for q=-10.at n=18A015123Gaussian binomial coefficient [ n,2 ] for q = -10.at n=3A015261Gaussian binomial coefficient [ n,3 ] for q = -10.at n=2A015278