562343

Appears in sequences

• Coefficient of x^floor(n/2) in the expansion of (1+x+x^3)^n.at n=19A192440
• Expansion of 1/(1 - x - 2*x/(1 - 2*x - 3*x/(1 - 3*x - 4*x/(1 - 4*x - 5*x/(1 - ...))))), a continued fraction.at n=6A306576