-229691domain: ZAppears in sequencesa(n) = (1 - (-12)^n)/13.at n=5A014994Triangle of q-binomial coefficients for q=-12.at n=22A015125Triangle of q-binomial coefficients for q=-12.at n=26A015125Gaussian binomial coefficient [ n,5 ] for q = -12.at n=1A015319