-41835domain: ZAppears in sequencesA signed variant of the Motzkin numbers.at n=14A166587Expansion of (1+x+sqrt(1-2x-3x^2))/2.at n=15A168051Expansion of (1 - x + sqrt(1 - 2*x - 3*x^2))/2 in powers of x.at n=15A292440Expansion of Sum_{k>=0} x^k * Product_{j=0..k-1} (2 * j - x).at n=8A353257