358624

Appears in sequences

• G.f.: (x+x^3+x^4)/(1-x-x^3-2*x^4).at n=25A236392
• a(n) = [x^n](1/2)*(1 + (2*x + 1)/sqrt(1 - 8*x^2*(x + 1))).at n=13A360856