-35803

Appears in sequences

• Expansion of (1-x)/(1+2*x+x^3).at n=13A078061
• a(0) = -1; a(1) = 0; a(2) = 1; a(3) = -1; a(n) = a(n-1) - 3*a(n-2) + 3*a(n-3) - a(n-4).at n=24A141577