61413

Appears in sequences

• Constant term of the reduction by x^2 -> x+1 of the polynomial p(n,x) defined at Comments.at n=18A192973
• G.f. A(x) satisfies A(x)^3 = A(x^3) / (1 - 3*x)^3 with A(0)=1.at n=10A372870